spend on等于spend doing还等于什么

spend on等于spend doing还等于什么
spend on等于spend doing还等于什么

spend on等于spend doing还等于什么
It takes somebody (time/money)to do something.
Something cost somebody(time/money).

It takes sb. sometime to do sth.

it takes sb some time(some money) to do sth

还有pay....for
buy...for