It's a really good time." Although manufacturing numbers, which reflect demand, expanded again in February, some economists say recovery will not be as rapid as in previous downturns.

VOA: standard.2010.03.02

It turned out to be kind of wrong because in the 1880s they started building so many houses in response to the demand that there was eventually a crash; but somehow people got this idea at some time.

结果证明这错了,因为在19世纪80年代,为迎合需求,他们建造了很多房屋,结果却崩溃了,但不知为何,人们有时就是会突发奇想

耶鲁公开课 - 金融市场课程节选

Really there's no work to be done if I am handed all in sorted order so, you know, There's no work to be done if I'm handed all of the arrays in sorted order so, you know, if I demand that you give me this assumption that the cups are already sorted and then I'll sort them for you, I mean, this is kind of a cyclical argument.

如果杯子是有序排列的,那就没必要再对它进行排序了，同样如果给出的序列本身就是有序的,那也不必再做什么，如果给出这样的假设：,杯子已经有序，但仍需要对其进行排序，这像是个循环的论点。

哈佛公开课 - 计算机科学课程节选

Despite the doubts, many Republican strategists see Palin as a political force to be reckoned with this year, and she is in demand as a campaigner by Republican candidates around the country.

VOA: standard.2010.02.09

Several medical industry analysts say Asia's rising economic strength and increasing investment in health services will be able to meet demand for affordable care both for people in the region and for world travelers.

VOA: standard.2009.12.23

"If all the investment now will be done in the city where there are huge needs to reconstruct all the infrastructure, where there will be a lot of demand in terms of construction work, then you will have again a pull effect from the rural areas back into a city that is not ready to absorb a lot more people than they have today."

VOA: standard.2010.07.16