必背句型:

A:Preferential tariff is used as a weapon in international relations.
特惠关税在国际关系中被当成一种武器使用。
B:The retaliation tariff is also like this.
报复性关税也是这样。
The medicine is used as a weapon.
这种药被当成一种武器使用。
It is not used as a pen.
它没有被当做笔使用。
What is used as a weapon in international relations?
在国际关系中什么被当成一种武器使用?

延伸阅读:
A:The customs formalities for the exportation of the following cargoes have been duly completed.
下列货物的出关手续已经正式结清。
B:What are they?
哪些货物?
The debt has been duly completed.
这些债务已经正式结清。
The debt has still not been duly completed.
这些债务还没有正式结清。
Does the debt have been duly completed?
债务以及正式结清了吗?