“我今天花了500大洋和4个小时去购物，这些书花了我300软妹子，挑它们就花了我三个小时，我还付了200软妹子当邮费。”
1. spend --- 人作主语，花钱花时间
(1)sb. spend time / money on sth. 某人在某事上花时间/钱
I spent 300 yuan on these books.
(2) sb. spend time / money (in) doing sth. 某人花时间/钱做某事 （括号里的词可省略）
I spent 4 hours shopping.
2. take --- 物作主语，只花时间不花钱
(1) It takes sb. time to do sth. 花某人时间做某事
It took me 3 hours to choose these books.
(2) Doing sth. takes sb. time.做某事花了某人多少时间
Mailing these books took me 1 hour.
3. cost --- 物作主语，花花时间花花钱
(1) sth. costs sb. money 某物花了某人多少钱
These books cost me 300 yuan.
(2) Doing sth. costs sb. time 做某事花了某人多少时间
Buying these books cost me 3 hours.
4. pay --- 人做主语，不花时间只花钱，付钱
(1) pay (sb.) money for sth.付钱给某人买某物
I paid 300 yuan for these books.
(2) pay for sth.付······的钱
I had paid for these books.
(3) pay for sb. 替某人付钱
I will pay for you.
(4) pay money back 还钱
He will pay money back next week.
