In my humble opinion

来源: 2012-08-09 19:31:31 [旧帖] [给我悄悄话] 本文已被阅读:

the answer is from an old movie:

"If you don't have any thing nice to say, then don't say nothing!"

I think if it's not constructive, what does it serve to throw bricks?  It is mean and discouraging!