原帖由 雲吞 于 2009-1-31 09:45 发表 2 b% A; g8 U. i 7 M4 W: `! U6 C ~; g7 w' \- ^/ n3 C: `+ Q: k. ]
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 4 h6 }+ c1 n$ T, X7 Z1 x( p- Y! {0 x) v1 L8 [6 E
! [% U+ X4 Q, ] [
I'll tell the professor, you don't feel lower back pain when you are talking standing.