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老师:
Students, be quiet, can you tell me who is the best one for today’s cleaning. 
同学们，安静下，告诉我今天扫除谁表现最好啊？
学生:
Vivi.
微微。
老师:
Why?
为什么呀？
学生:
Because she is the most positive one.
因为她今天劳动最积极。
老师:
How do you improve it?
怎么证明呢？
学生:
Because people's eyes are discerning.
因为群众的眼睛是雪亮的。