n an act that exploits or victimizes someone (treats them unfairly)
v put into service; make work or employ for a particular purpose or for its inherent or natural purpose
v take or consume (regularly or habitually)
v use up, consume fully
v seek or achieve an end by using to one's advantage
v avail oneself to
v habitually do something (use only in the past tense)
[计] 使用