urspace 发表于 2012-1-12 00:34 2 e0 }7 f: f p
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
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5 K3 ]/ g2 K& a; X7 a# ]% FPlease 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.