College students' intermediary generally needs fewer types of part-time jobs and lasts longer.

The following points can be considered:

First, long-term cooperation with some promotional shops and enterprises;

Second, long-term cooperation with some restaurants, you can send leaflets at any time;

Third, you can send out part-time group information in various buildings for a long time, so that enterprises or personnel in need can join them, and if necessary, you can receive information in the group in time.