pay的主语必须是人: (sb) pay money for sth. / pay sb.for sth.; spend的主语必须是人: (sb.) spend money/...for/on sth./ in doing sth. 在……方面花钱或精力; take表示做某事花费多少时间, 其主语一般是 一件事; 有时也可以是人: It takes/ took sb. some time to do sth. 强调完成动作所花费的时间。 例句: ① it takes sb. some time to do sth. It took him half an hour to finish his homework. 他花了半个小时完成家庭作业。 ② sb. spend some time/money on sth./(in) doing sth. I spent thirty yuan on this book. 我花30元买了这本书。 She spent ten minutes (in) getting there. 她10分钟到达那儿。 ③ sb. pay (some money) for sth. He paid a lot of money for the building. 他买房子花了许多钱。 表示“花费”的动词中,还有一个,即cost: cost的主语必须是物或事: (sth.) cost(s) sb. money/life/health/time... This coat cost me eighty yuan. 这件上衣花了我80元。
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