How long did you spend on your homework?(你做家庭作業用了多長時間？)

The less you eat, the less money you will spend on food.(你吃的越少，你在食物上的花費就越少。)

We have to account for every penny we spend on business trips.(我們出公差所用的每一分錢都得報清楚。)

At McDonald's, customers will spend on average three minutes and nine seconds from the time they place their orders until they receive their food.(在麥當勞，顧客從下單到收到食物要花費的平均時間為3分9秒。)

How much did you spend on buying a school uniform?(你買校服花費了多少錢？)

Parents also want to save money to spend on other stuff.(父母們也希望可以省下買校服的錢而用于其它的服裝。)

For every one hour, they will spend on a spacewalk, astronauts need to train seven hours in the pool.(宇航員在太空漫步中花費的每一個小時，都是他們在泳池里訓練7個小時換來的。)

I don't have a lot of time to spend on my hair.(我沒有太多時間花在打理我的頭發上。)

Researchers admit that their study does not answer the question of how much businesses ought to spend on CSR.(研究人員承認，他們的研究并沒有回答企業應該在承擔企業社會責任上投入多少的問題。)

In her opinion, there is a complex relationship among children's progress, the type of toys they are given and the time parents spend on them.(在她看來，孩子的成長、他們得到的玩具類型和父母花在玩具上的時間之間，有著復雜的關系。)