B1 [ U ] the activity of buying and selling, or exchanging, goods and/or services between people or countries贸易;交易;买卖
[ U ] business activity生意
More examples
The investigation uncovered evidence of a large-scale illegal trade in wild birds.
Russia has just drawn up a trade agreement with Norway.
The latest trade figures have dealt a severe blow to hopes of an early economic recovery.
We are planning to develop our export trade.
There's a flourishing trade in second-hand video machines.
C1 [ C ] a particular business or industry行业
B2 [ C or U ] a job, especially one that needs special skill, that involves working with your hands(尤指需要特殊技术和手工劳动的)职业,行当
the people who work in a particular business or industry or in the same one(特定或同一行业的)从业者
More examples
There's a flourishing trade in second-hand video machines.
This has been a difficult year for the motor trade.
His is a family trade, passed down from generation to generation.
For the modern sales executive, a car phone is one of the tools of the trade.
Business people wailed that their trade would be ruined.
a newspaper, etc. produced for people working in a particular business or industry行业出版物/期刊/杂志/报纸
B2 [ I or T, usually + adv/prep ] to buy and sell goods or services, especially between countries(尤指国与国之间)从事(…)贸易,进行(…)交易
[ I or T ] to be bought and sold, or to buy and sell shares, on the stock exchange(在证券交易所)买卖,交易
More examples
It was several months before the company started to trade profitably .
Native Americans traded furs with early European settlers.
In the meantime, the shares will continue to trade on the open market.
Only licensed stall-holders are allowed to trade here.
It is a well-respected family business which has traded in the town for over 50 years.
[ T ] to exchange something, or to stop using or doing something and start using or doing something else instead交换;改换,更换
[ T ] If people trade statements of a particular type, they say or tell them to each other.相互说,互相交谈
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