原帖由 雲吞 于 2009-1-31 09:45 发表 : t* O) Y7 q1 Z/ o' k$ J# {$ x& S
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I'll tell the professor, you don't feel lower back pain when you are talking standing.
原帖由 雲吞 于 2009-1-31 09:45 发表 $ [, S x. L6 Z5 I% X8 H 5 {2 K) q/ a& J& ? ' P0 h4 y, S$ [- T' x6 A9 ?I'll tell the professor, you don't feel lower back pain when you are talking standing.