判断题
Ground transport is typically more affordable than air， but more expensive than sea especially in developing countries where inland infrastructure is not efficient.
正确(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
单项选择题 The marine bill of lading normally issued by （）.
多项选择题 The premium rates may vary depending on factors such as：（）.
单项选择题 The UCP published by the（），contains detailed provisions dealing with the operation of documentary credit.
