本帖最后由 billzhao 于 2012-5-19 12:12 编辑 : g; v7 N \: \9 P8 o ' g7 c! u/ {2 _. J& d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。 & p* u* a3 i0 M' B ; y; F: ?4 x8 g" ]; M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./ R& m( I: h) l# h
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