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- UID
- 223299
- 帖子
- 278
- 主题
- 135
- 注册时间
- 2011-7-11
- 最后登录
- 2013-8-23
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@yohji
3. yes eco cost are higher(as both options give it) but then for small firms or large ones, and why?
7. your right, thanks.
@jay
6. the answer was true.
1,2. yes...my questions were incorrect. thanks. |
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发表于 2011-7-11 18:30
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