His found out later his flatmate had tipped off the men, and was given 10 per cent for each tip-off on new students.
His found out later his flatmate had tipped off the men, and was given 10 per cent for each tip-off on new students.
后来他发现，告密的其实是他的同居室友，每提供一条”新“同学的线索，他将得到10%的回扣。