问题描述：
这两个句子同样表对比,为什么一个用while/whereas,另一个用in contrast,两者之间有什么不同?
in many cultures,boys tend to be portrayed as clever,brave,while/whereas girls are depicted as kind,dependent.
men generally prefer shopping with their families; in contrast women enjoy shopping with friends.
in many cultures,boys tend to be portrayed as clever,brave,while/whereas girls are depicted as kind,dependent.
men generally prefer shopping with their families; in contrast women enjoy shopping with friends.
问题解答：
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