Commercial【adj.】
1. related to the buying and selling of goods and services商业的;贸易的
The commercial sector is growing rapidly.
商业部门正在快速增长。
They are studying commercial law at university.
他们在大学学习商法。
2. intended to make a profit营利的;以营利为目的的
The film was a commercial success.
这部电影在商业上很成功。
Commercial radio stations rely on advertising revenue.
商业广播电台依赖广告收入。
3. of average or ordinary quality, not of the highest standard普通的;一般的;非最高标准的
The wine is of commercial quality, not premium.
这酒是普通品质的,不是高档的。
The film was too commercial.
这部电影太迎合市场了。
commercial【n.】
an advertisement on television or radio(电视或广播中的)广告
I hate it when they interrupt my favorite show with too many commercials.
我讨厌他们在我的最爱节目中插入太多广告。

