原帖由 雲吞 于 2009-1-31 09:45 发表 & z4 H! m1 E* O. H8 C# P6 s3 O* ~& X; y
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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 ; V/ _' ?6 S8 i: M+ C
$ N6 e6 E& J' V. p) R
. H2 }. h( g+ R+ J! j- i: _# l
I'll tell the professor, you don't feel lower back pain when you are talking standing.