go to the expense of

为…的目的花钱

go into sth, go off, go off with, go on, go on a diet, go on doing, go on for, go on the stage, go out, go out of one's way, go over, go round, go through, go to excess, go to great lengths, go to hell, go to pieces, go to sb, go to sb., go to sleep, go to war, go together, go towards sth, go under, go up, go with, go with sb; go together, go without, go without (sth), go wrong, go-ahead, go-between, go-by, go-cart, go-getter, go-kart, go-slow, goad, goad...into, goal,