CONTENTS 前言 Unit 1 Business and Trade 1 Text A Business and Your Life 1 Text B What Is International Trade? 8 Unit 2 Humanities and Arts 13 Text A The Story of Steve Jobs 13 Text B Utopia of Reason 20 Unit 3 Information and Technology 26 Text A WeChat Launched Its Digital Revolution 26 Text B Apple: From iPhones to iCars 32 Unit 4 Aeronautics and Space 36 Text A The International Space Station’s Evening Show 36 Text B Planetary Protection Officer and New Findings 43 Unit 5 Material Engineering 49 Text A Will 3-D Printing Transform Conventional Manufacturing? 49 Text B My Boss the Robot 56 Unit 6 Mechanical Engineering 61 Text A Mechanical Joint 61 Text B Mechanical Resonance 68 Unit 7 Economics and Management 74 Text A India’s Economy: The Missing Middle Class 74 Text B User-rating Systems Are Cut-rate Substitutes for a Skillful Manager 81 Unit 8 Finance and Accounting 86 Text A Taxes in the United States 86 Text B The Alchemists of Finance 93 Keys to Exercises 99 Main References 107