When you drive along and you see all these commercial buildings, you might wonder who owns them.
当你开车的时候看到一片商业楼宇,你可能会想,这些高楼大厦是谁的
耶鲁公开课 - 金融市场课程节选
You know, I have like licenses to drive commercial vehicles.
我有驾驶证可以开商用车。
美国的失业情况 - SpeakingMax英语口语达人
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