Exclusive of international travel charge and board and lodging costs required for taking classes abroad.
不包括海外上课所需的国际旅费和食宿费用。
Travel agents charge 1 per cent commission on tickets.
旅行社收1%的购票服务费。
This is how far they can travel before their batteries need another charge (充电) .
这就是它们的电池需要再次充电之前能走的距离。
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