貿易

1. Origins, structure, and basic meaning

• Structure: 貿易, read ぼうえき, means buying and selling goods and other products between countries.
• Basic usage: It is used to discuss a port's prosperity through overseas commerce or the study of how trade works.
  • この港は古くから海外との貿易で栄えた。

2. Common pitfalls and similar expressions

• A narrower scope than 売買
  • 売買 broadly refers to buying and selling, while 貿易 focuses on trade between countries.