very good for the students.

楼主辛苦了，谢谢啊

It is very good for the students.

It is very good for the students.

Very good. Thank you very much for your sharing.

thank you。thank you。

thank you very much......

thank you very much

谢谢……Thank you  very much

真不错，我借用了哦！正好这个星期要用。