commerce
/ˈkɒmɜːs/noun
mass noun
1
- the activity of buying and selling, especially on a large scale贸易; 商业：
the changes in taxation are of benefit to commerce.
税收上的变化有利于贸易。
2
- dated social dealings between people〈旧〉社交, 交往。
3
- archaic sexual intercourse〈古〉性交。
词源
mid 16th cent. (in sense 2)： from French, or from Latin commercium 'trade, trading', from com- 'together' + mercium （from merx, merc- 'merchandise'）.