spend in 与spend on的区别与用法

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把时间
在……花钱
在……方面花费

How much have you spent on books this term ?
这学期你在买书上用了多少钱？
A lot of money is spent on defense .
国防方面的开支很大。
They wo n"t sanction our spending on this scale .
他们不会同意我们这么大的开支。
She did not begrudge the money spent on her children "s education .
她决不吝惜花在她子女身上的教育费。
The national income was being spent on education than on defence .
国家收入花在教育事业上的比花在国防上的要多。
Government money was spent on new investments rather than maintenance .
政府资金不是用于维修工作，而是用于新的投资。
This chapter is spent on three classic case of successful biological control .
本章着重于生物防治的三个成功的经典例子。
Astronomical sums of money are being spent on improving the means of destruction .
巨额资金正被花费在改善毁灭性的武器上。
Father and mother worked, and children had too much time to spend on their own .
为此两人都要工作，孩子们自己支配的时间太多。
His work was cramped by the very short time he could spend on it .
因为他只能以很短的时间用于他的工作上，使得他的工作受到限制。

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