主语是物,只能选cost
spend money /time on sth
spend money/time( in) doing sth
it takes /took sb 时间 to do sth
sth cost money
pay for sth
主语是物,只能选cost
spend money /time on sth
spend money/time( in) doing sth
it takes /took sb 时间 to do sth
sth cost money
pay for sth