She learned by listening to music and then searching for the correct piano keys.

VOA: special.2009.10.04

4 So even if the correct mathematical answer is 1.4 or whatever, when you divide an int by an int, you only have room in that variable, in the response for an actual integer.

所以即使那个正确的答案是4,或别的数值，当你用一个整型数除以一个整型数，在那个变量的返回值里，只有,存储一个整型数的空间。

哈佛公开课 - 计算机科学课程节选

They,also,tried to come up with the correct Greek text of the New Testament documents,by doing textual criticism.

他们还通过校勘,得到了正确的希腊语新约原文。

耶鲁公开课 - 新约课程节选

I'll take this even a step further, even though there is no research about this, I bet you this is correct: there is no difference in our levels of wellbeing if our place of residents is by the river or in the .

我会进一步说明，虽然还没有这方面的研究，我敢和你们打赌，下面的说法是正确的：,我们的幸福水平不会有所不同,不论我们是生活在河边,还是呆在监狱。

哈佛公开课 - 幸福课课程节选