中国现在的人均收入为1100美元以上，为中等收入国家，但几年前它还是个低收入国家。

比较利益理论已经成为国际贸易思想的基石。

该银行的贷款是向处于经济和社会发展较高阶段的发展中国家提供的。

为了促进较不发达国家的业化进程，西方国家必须向新兴国家的制造业产品开放市场。

中国现在的人均收入为1100美元以上，为中等收入国家，但几年前它还是个低收入国家。

毫无疑问，一个没有先进运输系统的社会仍然是一个原始落后的社会。

The bill of lading has three functions. What are they?

Economic activities began with the caveman, who was economically self-sufficient. As the primitive population grew and developed, the principle of division of labor evolved. One person was more able to perform some activity than another, and therefore each person concentrated on what he did best.

As a responsible large nation, China has been doing a lot in honoring its commitments for entering the WTO. In a short span of three years, China amended over 2,300 laws and regulations of which over 800 were abolished. The overall tariff level was lowered from about 40% to 10.5%. Non-tariff measures including quota and import license were removed step by step.

What is documentary collection?

What are common carriers?