Does it give you the answer that you expected it to give? Often, in practical problems, you'll spend just as much time doing performance debugging. Why is it slow?

它返回了期待中的结果了么？通常,在实际的问题中你会花，同样多的时间在性能调试上,它为什么运行这么慢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Most importantly you might say what distinguishes the gentleman as a class from the philosophers is a certain kind of knowledge or practical intelligence.

你可能会说，最重要,能区别出,绅士阶级与哲学家的地方,是一种特定的知识,或实际智能。

耶鲁公开课 - 政治哲学导论课程节选

But rather that he is enormously clever, that he can use speech to achieve practical ends just as he uses strength and power, and all those other things.

更是指他非常聪明,他可以用演说来达到实际的目的,就像他使用力量,权力,以及所有其他的品质来达到目的一样

耶鲁公开课 - 古希腊历史简介课程节选