Sakuma says during this year's global economic downturn it has been harder to keep up with demand and fill their clients' orders.

VOA: standard.2009.09.09

Video on-demand has to do with the delivery what they call content, while the video phone is the deliver of person-to-person communication. These are not nearly the same, but they both involve video.

随需视频必须与传送他们所称的“内容“相关,而视频电话是一种,个人对个人的传送，那不是,大致相同的，但它们都包含视频。

麻省理工公开课 - 媒体、教育、市场课程节选

I take the time and put it in the y equation and demand that the y I get, agrees with this y.

然后我把时间代入 y 的方程,令得到的 y 的表达式等于这一段的 y

耶鲁公开课 - 基础物理课程节选

The demand for employees with green skills will continue to grow as the world seeks to become more earth friendly.

VOA: special.2009.09.04

There was more demand for twenty thousand other H-1Bs for those with advanced degrees.

VOA: special.2009.07.02

And the rate of change means it's very difficult for the classical educational programs to keep up with the demand that's out there in the marketplace."

VOA: special.2011.01.24

Along with the many 'wow' action scenes and visually stunning dreamscapes, Inception does demand attention from the audience;

VOA: standard.2010.07.16

Both countries have joined with other developing countries to demand money and technology from rich countries to make the transition to a greener energy mix.

VOA: standard.2009.11.27

Some mountainous regions benefit from hydropower. Less than four percent of the nation's electricity demand is met with renewable sources like solar and wind power.

VOA: standard.2010.03.23

Many say cutbacks in services are inevitable, and there is constant debate about how to balance health services with rising costs, rising demand and less revenue.

VOA: standard.2009.09.28

(Voice) He says he will soon be negotiating a ransom demand with the owners.

VOA: standard.2009.11.10

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

And we work with parents and community residents to really understand why this is so important, and for them to hopefully demand these healthy foods and places to exercise in their own communities."

VOA: standard.2010.06.23

In the report, called "Heads in the Sand", the group says a serious decline in the supply of oil coupled with increasing demand and few new projects planned, means the world needs to move away from oil.

VOA: standard.2009.10.20

They meet with the senator for 15 minutes. "What I assured them was: given their plea and call and demand in a polite way for us to have a clean energy future, that was job one for me."

VOA: standard.2010.06.19

U.S.Secretary of State Hillary Clinton comes to Cairo after angering many Arabs by offering praise for an Israeli offer to curb settlement expansion on occupied Palestinian land, an offer that was met with outrage by many Arabs, who continue to demand Israel halt all construction.

VOA: standard.2009.11.03