题目内容：
The author refers to "external mechanisms" primarily in order to
参考答案：
答案解析：
单选题：The author refers to "external mechanisms" primarily in orde
- 题目分类：GRE
- 题目类型：单选题
- 查看权限：VIP
Multimodal transport refers to a transport system usually op
Multimodal transport refers to a transport system usually operated by a carrier
外汇
外汇
transshipment bill of lading
transshipment bill of lading
A foul bill of lading means that the bill of lading is very
A foul bill of lading means that the bill of lading is very dirty．（ ）
Normally tramp rates fluctuate with market conditions of sup
Normally tramp rates fluctuate with market conditions of supply and demand．（ ）