外贸出口的英文：
export trade (the trade which consists in the exportation of commodities)

参考例句：

The increase in the foreign capital has brought along the development of foreign trade and export in the Pudong New Area
外商新投资的增长、带动了新区外贸出口的发展。

To innovate new financing forms for trade in light of the export characteristics of export in Guangxi
结合广西外贸出口特点，创新贸易融资方式。

export是什么意思：
v. 输出，出口；传播
n. 输出，出口；出口商品

Agricultural Products Export Cooperation
农产品出口合作社

Half of our products are for export.
我们有一半产品出口。

Brazil exports a lot of coffee.
巴西出口大量咖啡豆。

trade是什么意思：
n. 贸易；生意；交换；职业；手艺
v. 交易；对换；用…进行交换

Jack of all trades is of no trade
万事皆通,一无所长

the trade in pornography
色情作品的交易.

Foreign trade departments handle export and import trade.
外贸部门经营进出口业务。

which是什么意思：
pron. 哪一个，哪些
adj. 哪一个，哪一些

Can you tell which is which?
你能看得出哪是哪吗？

Which side are you on?
你属于哪一派？

I wonder which party, which faction, you are with!
我就怀疑，你这个人是那一党那一派！