when we are faced with the problem,.

问题描述:

when we are faced with the problem,.
为什么用faced,而不是 facing?
1个回答 分类:英语 2014-12-11

问题解答:

我来补答
可以理解为被动用法,be faced with the problem被问题面对,就是面对问题的意思.
 
 
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