But,serious differences remain. The U.S.and Britain want other governments to pump more money into their economies as stimulus.

VOA: standard.2009.04.01

When Pavlov put food powder in the dog's mouth and saliva was generated, that's an unconditioned stimulus giving rise to an unconditioned response.

巴甫洛夫给狗喂食,狗会分泌唾液，这就是无条件刺激引起了无条件反应。

耶鲁公开课 - 心理学导论课程节选

And now it's known as the conditioned stimulus giving rise to the conditioned response.

这就是所谓的,条件刺激引起了条件反应。

耶鲁公开课 - 心理学导论课程节选

Most analyses of America's stimulus efforts in the 1970s conclude that they were badly timed.

ECONOMIST: The world economy

China's stimulus package was the earliest and best-known example of fiscal shock and awe.

ECONOMIST: BRICs, emerging markets and the world economy

Exports were meant to take up the burden of recovery as the government's stimulus wore off.

ECONOMIST: The economy