They'll just game the system to make a fast buck.

他们只会利用这个系统来快速赚钱。

And the third phrase is, to make a quick buck or to make a fast buck.

第三个短语是，赚快钱或赚快钱。

And the third phrase, to make a quick buck or to make a fast buck, refers to doing a job quickly for an hour or a day and getting paid for it.

第三个短语，to make a quick buckor to make a fast buck，指的是快速完成一项工作一小时或一天并为此获得报酬。