本帖最后由 billzhao 于 2012-5-19 12:12 编辑 7 U( n& @0 w. b+ t9 v$ x& J% D+ \4 H. @5 i/ s, J* R/ W
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。 $ d( z# ~* v$ k5 T! S " l, r' i: D2 Y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. 5 `5 R/ e* d$ w8 D* S G9 j 7 r# n5 c% ]- N6 k& j8 o9 |( \- H8 m. B o' T+ l