urspace 发表于 2012-1-12 00:34 ) M; p9 v, N# w2 n8 t
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 t5 n% |% i; ^/ i" S9 IPlease 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.