Whereas If our engine is large, we are much more likely to get up that hill, and to do it gracefully with relative ease.

但如果我们的引擎够大，要上那山就容易得多，不费吹灰之力就能做到。

哈佛公开课 - 幸福课课程节选

You can see that when you get out to the highest groups here, the highest weights, the relative risk is up at two and a half or three, so that would be a 200% increase in risk for cardiovascular death or two to three times the risk of death.

当我们看图上相对风险最高的这组,也就是体重最大的这组,这组的相对风险大约是2.5倍到3倍,即心血管疾病致死的风险增加了200%,或者说增加了2到3倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选