To reduce costs, you might look into online classes or a foreign campus of an American school.

VOA: special.2009.07.16

OK. And then the exponentials, as you saw is when typically I reduce the problem of one size into two or more sub-problems of a smaller size.

好，然后说到指数级，正如你所见，典型的例子是,我讲一个问题分解成为,两个更小规模的子问题。

麻省理工公开课 - 计算机科学及编程导论课程节选

Risk pooling means they put a lot of people with independent or low-correlated risk into a pool and reduce the risk for the whole pool.

风险汇聚即,将独立或相关性小的风险汇聚起来,以降低整体风险

耶鲁公开课 - 金融市场课程节选

Composting can reduce the amount of garden and cooking waste that would otherwise go into public landfills.

VOA: special.2009.06.23

If I then put it back into its original condition, lower the heat say, temperature back to body temperature and reduce the pH down to seven again, the molecules will re-nature.

假如我把烧杯的温度恢复到初始状态,降低温度,温度降低到体温,将pH值降低到七,这些分子会复性

耶鲁公开课 - 生物医学工程探索课程节选

BP Vice President Kent Wells says the method will reduce the amount of oil spewing into the water.

VOA: standard.2010.05.17

Talks led by the U.S.Treasury failed to reach a deal to reduce Chrysler's debt to its creditors, so the automaker will enter into bankruptcy.

VOA: standard.2009.04.30

But the silicon is what converts light into electricity, so you might think using so much less silicon would reduce the electrical output, but Atwater says that's not the case.

VOA: standard.2010.02.19

The bill's sponsors say that by putting a price on carbon released into the atmosphere, the measure would help reduce America's reliance on fossil fuels and cut its greenhouse gas emissions.

VOA: standard.2010.06.14

It wants parents to reduce the risk of choking by first cutting hot dogs in half lengthwise, cutting grapes into quarters and reducing the size of other foods that can get stuck in children's throats.

VOA: standard.2010.02.23