原帖由 雲吞 于 2009-1-31 09:45 发表 / N2 O+ I7 {( O# w+ K! U; I + \, z% P4 }/ m9 s# Z/ v- Z. M( H1 `% x' ~+ W7 d, p' @
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 0 b. k" ~9 G* u7 k& u" ^4 ^5 G9 l% g* q0 x
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I'll tell the professor, you don't feel lower back pain when you are talking standing.