You can see that there is no value in studying inner shell electrons to ask questions about bonding.

你应该了解考虑成键时,去考虑内层电子,是毫无意义的。

麻省理工公开课 - 固态化学导论课程节选

Now that you have the ability to ask yes or no questions, you wanna be able to branch or fork in the road based on those answers.

你现在能问一些肯定或者否定的问题，根据结果,你就能进行选择了。

哈佛公开课 - 计算机科学课程节选