Instead,I spent all my time, and a lot of my money, trying to build the perfect microscope.

VOA: special.2009.07.25

End up where you started. It's not quite the same as the shortest path, and figure out the way to do that that involves spending the least money. Or the least time, or something else.

最后回到最初的地方,这和最短路径问题有些不同,需要找出一条花费最少,或者费时最少或者满足其它条件的路径。

麻省理工公开课 - 计算机科学及编程导论课程节选

Again, there was a loss of confidence in the time of an economic crisis and people wanted to withdraw their money from the banks.

此外,在经济危机时期,投资者对银行失去信心,他们希望把钱从银行取出来

耶鲁公开课 - 金融市场课程节选

She became one of the few black people at the time wealthy enough to give huge amounts of money to help people and organizations.

VOA: special.2010.03.28

He said it was wrong to raise the tax so high and, at the same time, continue to give the states the money from land sales.

VOA: special.2009.02.05

The borrowers are able to save money and pay back the loan over time.

VOA: special.2010.06.16

"They would say, 'We shall be wiring money to these schools in a month's time, in a week's time', and the days would go by."

VOA: standard.2010.03.04

But we started to realize that money was not going to the schools in good time, and when we were asking for reasons, they would not give the reasons."

VOA: standard.2010.03.04

"And this fired my imagination. I thought,'My gosh, we could do something like that.'" Sir Clem Renouf, then president of Rotary International, convinced Rotarians across the globe to unite against the disease by raising money to fight the virus and by volunteering their time toward that effort.

VOA: standard.2010.08.02