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每日一句口语:
When you lose your sleep, you are busy in others' dreams. 失眠,是因为你正在别人的梦里忙碌着。
【知识点讲解】
be busy in 忙于
例句:
The airline people are busy in handling departing passengers. 航空公司职员正忙着照顾出境旅客.