Yes,both are good,and criticism is more helpful than compliment.

所有跟帖: 

Thank songsong for reading. Can you give some example? -rockcurrent- 给 rockcurrent 发送悄悄话 rockcurrent 的博客首页 (0 bytes) () 12/13/2015 postreply 06:50:54

所谓: 良药苦口利于病,忠言逆耳利于行. -南山松- 给 南山松 发送悄悄话 南山松 的博客首页 (0 bytes) () 12/13/2015 postreply 13:30:45

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