cancel something out
phrasal verb with cancel verb uk/ˈkæn.səl/ us/ˈkæn.səl/ -ll- or -l-
抵消；对消
to remove the effect of one thing by doing another thing that has the opposite effect
This month's pay cheque will cancel out his debt, but it won't give him any extra money. 这个月的工资支票将抵消他的债务，可那样他就一点钱都不剩了。