urspace 发表于 2012-1-12 00:34 & f. [" m2 x- W3 A7 s: V
这个很难卖。。现在学校用的是第92版,91的还能凑合。。。90就没办法了
3 P; I' J" B8 l% a% i1 D7 K7 d ! U j% A2 x0 h; |Please notice that the 91th edition is a French edition. The 90th edition was used in last semester (Fall of 2011). There is no much difference between 90th and 92th editions. It is just some tax rates changed.