Definition: to buy and sell goods or services, especially between countries Level: B2
几个世纪以来，美洲原住民与欧洲定居者进行贸易。
For centuries, Native Americans ___traded with European settlers.
这家公司从事石油贸易已经很多年了。
The company has been ___trading in oil for many years.
我们的书籍在整个亚洲都有贸易。
Our books are ___traded right across Asia.
