free trade 自由贸易
international trade 国际贸易
trade off 权衡
trade in 经营...的买卖
skilled trades 熟练手艺
A: Do they trade these goods online?
A：他们在线交易这些货物吗？
B: Yes, their trades are very frequent.
B：是的，他们的交易非常频繁。
1) 动词：买卖，交换
2) 名词：贸易，商业
3) 名词：职业，行当
1. 贸易，交易
2. 职业，手艺
noun
1. The action of buying and selling goods and services.
Synonym: commerce, business
verb
1. To exchange something for something else.