The United States and India have disagreed on their commitments to reducing greenhouse gases, with the climate change summit taking place in Copenhagen, Denmark next month.

VOA: standard.2009.11.25

This is actually kind of a moderate position because it talks about government and the people sharing power here and taking responsibility for change.

这实际上是一种中立的立场,即作为分担责任的代价,政府与公民分掌权利

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So I was a counselor for a year, and then they invited me to become a dean, an assistant dean, in order to not only work with individual students and their issues, but to also think about campus culture and ways we might help prepare the culture for the change that was taking place.

这样我做了一年的顾问，之后他们请我做了院长，副院长，这样就不仅仅是处理,一个个学生和他们的事情，还要思考校园的文化,思考如何帮助校园文化准备好,应对将要发生的改变。

普林斯顿公开课 - 人性课程节选

Second,he says, Lithuania is taking a step forward into the electricity market that he adds,will change the planned system of energy into a market based system.

VOA: standard.2010.01.01

Some of this can be done if consumers make different choices in what they eat, but some can be silent changes too, so Frito-Lay taking the Trans fats out of their products and switching them with a healthier fat is a silent change that could have a positive impact on public health.

有些只要消费者选择其它的食物即可做到,但也有些变化是悄无声息的,菲多利将其产品中的反式脂肪,替换成更健康的脂肪就并未声张,这对大众健康有着积极的影响

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 I could have a non-adiabatic, I could take the same temperature change, by taking a flame, or a heat source and heating up my substance. So, clearly q is going to depend on the path.

也能改变温度，绝热指的是没有热传递，在非绝热条件下，也同样可以升温,比如用火或者热源加热，这样，q也应当与路径有关。

麻省理工公开课 - 热力学与动力学课程节选

If X is the number of cells, then the rate of change of X, dX/dt, the rate of change of the cell population, how fast division is taking is proportional to the number of cells I have.

如果X是细胞数目,那么X的改变率就是dX/dt,就是细胞数目的改变率,分裂的速度有多快,和细胞数量呈比例关系

耶鲁公开课 - 生物医学工程探索课程节选