本帖最后由 billzhao 于 2012-5-19 12:12 编辑 8 a- K& Y2 X; `) r
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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。9 M3 ?5 b& s {/ q2 e
F( l8 J1 m$ n. R" b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. ( h b$ W% \! B9 y. }) d , t9 i& j1 r( L! }! _; ^" h& p3 ~+ D% a7 r% l$ Q. U