n.清除；大掃除；暴利
adj.（棒球）第四棒的
He does all the work himself, using an assistant only for cleanup and finishes. 除了清理和油漆
Even small laboratories in homes can require costly cleanup. 甚至家庭小實(shí)驗(yàn)室都能夠得到高額的利潤。
