It is a golden rule in international trade that if you export nothing but raw materials, you're at t...
2022-10-09 07:03:53 31次 2016-2017学年江苏南通中学高二上期中考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is a golden rule in international trade that if you export nothing but raw materials, you're at the ________ of world prices.
A. riskB. expenseC. mercyD. cost
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