第1个回答 2009-02-14
Why don't you understand?
How can you understand?
第2个回答 2009-02-14
why don`t you understand?
或者why aren`t you clear about it?
第3个回答 2009-02-14
Why don't you understand?
understand。明白了解
第4个回答 2009-02-14
Why you don't understand
第5个回答 2009-02-14
Why you don't know me?
Why you don't knwo this?