You have to learn to say no to them next time.

来源: yellowlemon 于 2016-01-07 13:34:54 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (96 bytes)
回答: Thank you everyone who has given me advice. 由 RoadBlind 于 2016-01-07 13:24:21

They will never climb up  on their own if you did not let them fall hardly.

请您先登陆，再发跟帖！