你是来自哪一个部门的？

Nǐ shì láizì nǎ yí gè bùmén de?

What department are you from?

我们的销售部门总共有一百多名员工。

Wǒmen de xiāoshòu bùmén zǒnggòng yǒu yìbǎi duō míng yuángōng.

Our sales department has more than a hundred employees.

我们需要和其他部门合作。

Wǒmen xūyào hé qítā bùmén hézuò.

We need to collaborate with other departments.