1 - “做销售的“ is a “的-phrase“ or “的-structure“. A “的-phrase“ can used to refer to a person or a thing. In this case, “做销售的“ refers to the person who does sales. When appearing in a sentence, this phrase
This corpus contains essays from a preparatory university course with three essays written by (almost) all students: (1) entrance essay, (2) mid-term essay; (3) fnal exam essay; (4) final exam retake