While some might sneer, Internet dating has surely added to the overall happiness of the world, and made certain there aren't so many lonely people about.

尽管有人可能不屑一顾，事实是网络交友给这个世界增添了欢乐，并使许多孤独的人不再孤单。

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The stimulus offered more than $4 billion in grants for states that made certain changes, such as lifting caps on the number of charter schools and devising new ways to evaluate teachers.

超过40亿美元的奖励将以补贴的形式提供给那些实施某类变革的州，例如取消特许学校的数额上限和制定新的教师考评办法。

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A variety of documentation indicates that certain goods, once made by a family member as one of many duties, were later made by skilled artisans.

各种各样的文件表明，某些货物曾经是由家庭成员负责制作的，后来由熟练的工匠制作。

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"A sense that a step is made to release prisoners, and the government is trying to build some bridges in certain areas, but at the same time, the revolutionary side is given its moment in which Fidel Castro is able to excoriate the United States and to continue to lay out the revolutionary credentials, or Cuba's role as a leader of the Third World."

VOA: standard.2010.07.13

I'll use that one as the example because it's a familiar one to most people and you know that the protein insulin is made only in your pancreas and certain cells of the pancreas.

我把它作为例子,是因为大多数人都很熟悉它,胰岛素只在胰腺中进行合成,某些胰腺细胞能够合成胰岛素

耶鲁公开课 - 生物医学工程探索课程节选

Richard Myler made certain there would be no fight back with an excellent run to score with seconds remaining.

BBC: Crusaders 20-36 Salford City Reds

"We have made certain changes" to the bill, Parliamentary Affairs Minister Kamal Nath said after a meeting of the federal cabinet.

WSJ: India Rape Law Set to Get Parliament Clearance

In the first quarter of Fiscal 2013, Dell made certain segment realignments in order to conform to the way Dell internally manages segment performance.

ENGADGET: Dell reports Q4 2013 earnings: $14.3 billion in revenue as profits plummet 31 percent year-over-year