trade
单词辨析：
指具体的某种买卖交易或跨国交易，也可指广泛的贸易。
the arms trade
军火交易
international trade agreements
国际贸易协定
The jewellery firm is just a cover for its illegal trade in diamonds.
这家珠宝公司不过是进行非法钻石交易的幌子。
Trade helps industry to develop.
贸易促进工业发展。
The volume of trade with Germany has increased.
与德国的贸易额增加了。
指各类商业活动，包括制造、买卖产品，或提供服务等，侧重于赚钱。
Business is always brisk before Christmas.
圣诞节前生意总是很兴隆。
She has set up in business as a bookseller.
她已创业成为书商。
I entered into partnership with him to start an export business.
我与他合伙开始做出口生意。
指商品、服务的买卖，侧重于大规模的商贸活动。
Banks are the nerves of commerce.
银行是商业的中枢。
New measures have been adopted to promote local industry and commerce.
已采取新措施促进地方工商业发展。
The country has been trying to broaden its commerce with other nations.
该国一直在努力扩大与其他国家的贸易往来。
通常指互相交换同类东西。
Mary exchanged coats with Lucy.
玛丽同露西交换了外套。
Both sides exchanged their opinions on the issue at the meeting.
在会上，双方就此问题交换了意见。
侧重指交流思想、信息或交换位置等。
As a manager, he often interchanges ideas with his workers.
作为经理，他经常与员工交换意见。
The two friends interchange letters each week.
这两个朋友每周都有信件往来。
多用于口语，常可与 exchange 换用，但侧重于调换之意。
Our glasses have been switched/exchanged - this is mine.
咱俩的玻璃杯对调了——这个是我的。
Will you switch/exchange your horse for my car?
你愿意用你的马换我的汽车吗？
尤指买卖货物，也可表示交换物品。
He usually trades by phone or online.
他经常通过电话或网络进行交易。
She traded her books for his CDs.
她用书换他的光盘。
相关例句：
Globalisation is a catch-all to describe increased international trade
“全球化”是个泛称，用以描述增进了的国际贸易。
Industrial research is the province of the Department of Trade and Industry.
工业研究属贸易和工业部的职责范围。
They may refuse to trade, even when offered attractive prices
即便对方的报价很有吸引力，他们也有可能拒绝进行交易。
They suspected that Neville had traded secret information with Mr Foster.
他们怀疑内维尔和福斯特先生交换了秘密情报。
He still claims the arms weren't traded for hostages
他仍然声称军火没有被用来交换人质。
They traded artillery fire with government forces inside the city.
他们与城内的政府军互相开炮。