本帖最后由 billzhao 于 2012-5-19 12:12 编辑 8 |: ] Y7 n: N7 D# v X8 f7 m
好像南方或者北方有的地方s sh不分,下面视频应该有所帮助。 & N* k$ S8 z4 C' {: @/ D , G! \7 [* R& v+ v2 ~很喜欢老师的自信,她说 It's simple. It's easy. Once you watch this video, you get it, and you'll never make the mistake again. People will understand you, and your life will be fantastic. : ^1 z- @6 Z' I- V b: q & k* U% }2 F/ b2 F0 w' N& ^) c: w/ S- ?1 R