シャドーイング練習: SAP Concur migrates over 85,000 SQL Server databases to Amazon Web Services | Amazon Web Services - 動画で英語スピーキングを学ぶ
レッスンを作成中...
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My name is André Lamego and I'm the CTO of SAP Concur.
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SAP Concur is an integrated travel and expense solution.
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So we have four main objectives for our business.
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We wanted to not have to worry about those physical infrastructure.
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We wanted to optimize our resources to focus on innovation.
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The third is we wanted to expand.
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The fourth one is of course our cost concern.
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With all of those requirements combined, we got the goal of migrating to AWS.
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We use a variety of AWS services.
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For example, we use EKS for a container management,
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we use autoscaling, and we also use Amazon Bedrock for our generative AI workloads.
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With migration of 85,000 SQL Server databases, licensing was obviously a concern.
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We opted to use Bring Your Own License.
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There is also an AWS program called Optimization License Assessment
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that helps realizing what is the best opportunity for cost reduction while executing our database workloads.
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The fact that we transitioned out of our co-locations into AWS allowed us to focus more on features.
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Our customers benefit from our transition to AWS because all our efforts are now towards serving the customer.
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We have a projection of cost reduction of about 70% from the point that we started our migration efforts.
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The fact that our integration environment and our production environment look the same
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and operate the same allows us to more efficiently test and deliver services and features with confidence.
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このレッスンの語彙とスピーキングのポイント
この動画には、シャドーイング用の文が20文、単語が241語あります。 音声の長さは1:38です。 話す速さは1分あたり約148語で安定しており、シャドーイングしやすいペースです。 英語の頻出3,000語に含まれる単語は78%だけなので、語彙は難しめです。
この動画の重要語彙
動画に出てくるやや難しい単語15語を、発音と意味つきで紹介します。
- transition /tɹænˈzɪʃ.ən/ (名詞) — 遷移, 推移. The process of change from one form, state, style or place to another.
- reduction /ɹɪˈdʌk.ʃən/ (名詞) — 還元. The act, process, or result of reducing.
- database /ˈdeɪtəˌbeɪs/ (名詞) — データベース. A collection of (usually) organized information in a regular structure, usually but not necessarily in a machine-readable format accessible by a computer.
- migration /maɪˈɡɹeɪʃ(ə)n/ (名詞) — 移住. An instance of moving to live in another place for a while.
- infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/ (名詞) — インフラストラクチャ, インフラ. An underlying base or foundation for a building, organization, or system.
- resource /ɹɪˈzɔːs/ (名詞) — 資源, 資産. Something that one uses to achieve an objective, e.g. raw materials or personnel.
- objective /ɒbˈd͡ʒɛk.tɪv/ (名詞) — 目標, 目的. A material object that physically exists.
- expand /ɪkˈspænd/ (動詞) — 広げる, 拡大する. To change (something) from a smaller form or size to a larger one; to spread out or lay open.
- innovation /ˌɪn.əˈveɪ.ʃən/ (名詞) — イノベーション, 革新. The act of innovating; the introduction of something new, in customs, rites, etc.
- requirement /ɹɪˈkwaɪɹmənt/ (名詞) — 要求. A necessity or prerequisite; something required or obligatory. Its adpositions are generally of in relation to who or what has given it, on in relation to whom…
- expense /ɪkˈspɛns/ (名詞) — 支出, 費用. A spending or consuming, often a disbursement of funds.
- integration /ˌɪn.tɪˈɡɹeɪ.ʃən/ (名詞) — 統合, 融合. The act or process of making whole or entire.
- combine /kəmˈbaɪn/ (動詞) — 合わせる, 結び付ける. To bring (two or more things or activities) together; to unite.
- container /kənˈteɪ.nəɹ/ (名詞) — 容器. An item in which objects, materials or data can be stored or transported.
- execute /ˈɛksɪˌkjuːt/ (動詞) — 処刑する, 消す. To kill, especially as punishment for a capital crime.
注意したい発音
- 「sh」と「zh」の音: transition /tɹænˈzɪʃ.ən/, reduction /ɹɪˈdʌk.ʃən/, migration /maɪˈɡɹeɪʃ(ə)n/, innovation /ˌɪn.əˈveɪ.ʃən/, integration /ˌɪn.tɪˈɡɹeɪ.ʃən/
- 長い単語（アクセントの位置に注意）: infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/, innovation /ˌɪn.əˈveɪ.ʃən/, integration /ˌɪn.tɪˈɡɹeɪ.ʃən/, generative /ˈd͡ʒɛnəɹətɪv/
この動画での練習方法
- まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
- 通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
- 自分の声を録音して元の音声と比べます。transition, reduction, databaseなどの単語に特に注意しましょう。
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。