Commerce refers to the activity of buying and selling goods and services.
Here are some examples of how "commerce" can be used in a sentence:
* International commerce has grown rapidly in recent years.
* The commerce in this town is thriving.
* The commerce of the city is dominated by the tourism industry.
Commercial is an adjective that means "relating to or involved in commerce."
Here are some examples of how "commercial" can be used in a sentence:
* The company has a commercial presence in over 50 countries.
* The commercial sector is expected to grow this year.
* They are developing a new commercial building in the city center.