比如这个

来源: 高筋粉 于 2019-01-22 11:57:17 [] [旧帖] [给我悄悄话] 阅读数 : (470 bytes)

but behind their back she thinks they are crazy coming to this place, yes, she believes most of the students are just wasting time, she believes they wont improve

你怎么证明这个是事实呢？

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