多谢灰哥，分析得真透彻!crystal clear.

所有跟帖： 

• see which one you are... -HappyNow?!- ♂ (117 bytes) () 08/04/2011 postreply 19:30:44

• 很复杂呀。 -Cathy_Bay- ♀ (161 bytes) () 08/04/2011 postreply 19:47:30

• oh,,, -HappyNow?!- ♂ (41 bytes) () 08/04/2011 postreply 21:01:28

• 回复：很复杂呀。 -灰衣人- ♂ (488 bytes) () 08/05/2011 postreply 06:22:54

• yes you are right in all elements. -cathy_bay- ♀ (425 bytes) () 08/05/2011 postreply 08:11:27

• 这样的工作很有意思啊，听上去你是喜欢的。那就坚持一下吧！ -林卡- ♀ (0 bytes) () 08/05/2011 postreply 08:37:40

• many thanks. -Cathy_Bay- ♀ (0 bytes) () 08/05/2011 postreply 09:03:42