Three classes are available on the high speed trains: business, first and second. Second class is equivalent to but far more comfortable than economy class on a airplane.
高铁列车座位分三等：商务、一等和二等。二等座相当于飞机上的经济舱，不过舒服多啦。
A commercial airplane is in flight to Chicago, when a blonde woman sitting in economy gets up and moves to an open seat in the first class section.
在一架飞往芝加哥的航班上，一位经济舱的漂亮小姐坐到了头等舱的空座位上。
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