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sb. seem unhappy和seem to be unhappy区别?它们在用法和意思上有什么区别?

题目详情
sb. seem unhappy和seem to be unhappy区别?
它们在用法和意思上有什么区别?
▼优质解答
答案和解析
没有什么区别,to be是可以省略的
sb/sth seem (to be)+形容词/名词
sb seem to do
sb seem to be doing
sb seem to have done
It seems/seemed that