have problems doing sth与 have trouble doing sth
have problems doing sth .
have trouble doing sth.都是对的吗?
trouble是可数的吧,怎么不是 troubles?
人气：231 ℃ 时间：2019-08-21 17:00:27
解答
have problems doing sth：做什么有什么问题.
have trouble doing sth：做什么有麻烦（做“麻烦”讲时没有复数形式）
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