So the nutrition landscape and the physical activity landscape is changing and is sweeping way across the world.

营养和人类日常活动的范畴已日渐改变,且该影响已经席卷全球

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Because if someone changes, " the question is no longer "is it possible to change" " but rather "how is it possible to change".

因为如果一个人在改变，问题已不再是“是否可能改变？,而是“怎样才可能改变。

哈佛公开课 - 幸福课课程节选

That is, share repurchase can change the units of measurement in a security and companies have to decide how leveraged the stock will be, which changes the stock price--leverage, meaning how much debt the company takes on.

即 股票的购回会改变,已发行股票的单位数量,公司需要决定,股票的杠杆效用是多少,杠杆会改变股价,杠杆指的是公司举债的多少

耶鲁公开课 - 金融市场课程节选

The question when we see exceptions, whether it's the Lykken and Tellegen study, not all twins were the same, the question is no longer whether or not change is possible, but rather how is change possible.

当我们看到了例外，无论是在Lykken和Tellegen的研究，当发现不是所有的双胞胎都一样，已不再是，改变是否有可能，而是怎样实现这种改变。

哈佛公开课 - 幸福课课程节选