urspace 发表于 2012-1-12 00:34 # l' ]& ]/ ^7 k& x# V+ v2 K/ Y. T6 n
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
E6 I \! R9 r ) a+ O s9 M7 \8 O% t0 B; Z! 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.