It's not a good thing if you're just looping and checking some condition, but never actually changing the state of the world.

这不是一个好事情，如果你只是循环,检查一些条件，但是永远不要改变世界上的国家。

哈佛公开课 - 计算机科学课程节选

And I can fix this just by changing one of those values to a floating point.

所以我可以通过改变其中一个,整型数为浮点数。

哈佛公开课 - 计算机科学课程节选

0% of participants eyesight improved significantly, as a result of just changing the situation.

0%的参与者的视力有明显改善，仅仅是在改变情境的情况下。

哈佛公开课 - 幸福课课程节选

Now, figure in the fact that smoking is playing a role, physical activity is playing a role, still just changing fruit and vegetable consumption potentially could reduce heart disease worldwide by this much: stroke by 19% and some cancers by as much as 20%.

实际上吸烟和运动都对此有影响,即使将这些因素都考虑进去,仅仅改变水果和蔬菜的摄入量仍然能,在全球范围内减少这么多的心脏病得病率,中风减少19%而某些癌症减少达20%

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选