The noun "trade" can be both countable and uncountable.
Meaning: the buying and selling of goods and services
Example sentence: International trade is very important for a country's economic success.
Meaning: a type of skilled work, or a particular type of business
Example sentence: A lot of young people are learning a trade instead of studying at university.
Test your understanding:
- Maria wants to study the history of trade.
- Julio wants to learn a trade like plumbing.