在…上花费(时间等);
例句:
However, my sister has a lot of money to spend on clothes.
不过如何, 我的姐姐有很多钱来买衣服.
How long will the passenger spend on the bus to Capital Library?
这位乘客需要多外到首都图书馆?
Don't worry how much you spend on the trip.
别担心花多少钱用于旅行.