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- UID
- 223320
- 帖子
- 236
- 主题
- 121
- 注册时间
- 2011-7-11
- 最后登录
- 2013-9-9
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| It's always best to study from the latest materials. There have been quite a few changes from 2007-08 so if you want to sort through the LOS one by one and look for changes go right ahead. Might be cost-effective, but definitely not time-effective. There's also a good chance you might miss something. |
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发表于 2011-7-11 17:45
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