1．What are they英式读音：[wɒt] [ɑ:] [ðeɪ]美式读音：[wɑt] [ɑr] [ðe]，中文翻译：它们是什么？
2．例句：What are they doing in the energy business in the first place? 况且，他们当初干嘛要染指能源业。
