Knowing more about how the Yarkovsky effect changes an asteroid's orbit will help scientists better predict whether RQ36 will come near Earth.

VOA: special.2011.06.22

I'm now exploring the question of whether or not stock prices are indeed memoryless, or the stock changes.

我现在要探索一个问题那就是股价,是否真的是无记忆的，或者说股票的变化是否是无记忆性的。

麻省理工公开课 - 计算机科学及编程导论课程节选

You need a substance and then that substance has to have a property that changes depending on the heat flow, i.e., depending on whether it's sensing that it's the same temperature or different temperature than something else.

你需要某种物质,它的某种性质,随着热量的流动而改变，也就是说,依赖于它是否感觉到它,与其他的物体处于相同的温度。

麻省理工公开课 - 热力学与动力学课程节选

"An empowered group of ministers has been set up to study whether any changes in the law are necessary.

VOA: standard.2010.06.10

Then you could also think about whether there are changes that could be made to improve diet.

然后,你也可以想想是能否做些改变,来改善食谱

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Or whether you take a very hard line against them to try to force changes coming in from below within the government.

VOA: standard.2009.08.14

He says that's not fair. "Whether it's gay marriage, whether it's making changes in the community or making changes on a broad scale - if I'm a citizen of the United States, it affects me as well."

VOA: standard.2010.03.25