Under the Convention on international trade in Endangered species which controls the world 's ivory trade President Robert mugabe 's Zimbabwe has a special concession that allows it to sell lots worth & pound ; 270or less .

依据控制全球象牙 贸易的《濒危物种国际贸易公约》，津巴布韦总统罗伯特？ 穆加贝有可以出售价值低于270英镑象牙的特殊专利。

Only in the mercantilist mindset of trade negotiations after all is tariff-cutting a concession .

只有在重商主义者脑子里才会把 贸易谈判，最终是关税减让，看成是 退让。