Very insightful!#2 and #3 are well known reasons but

来源: 2007-11-14 08:45:37 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

#1 is new (at least to me). Thanks.
This kind of discussion for parents will never be enough. Parenting needs vision. The microsystem for a child to grow in does depend on parental beliefs.