So yes, f is a float, but that solution is too late; we need to fix the problem sooner.

是的，f是一个浮点数，但是那个解决方案太迟了;,我们应该在次之前把问题解决。

哈佛公开课 - 计算机科学课程节选

So, we need to find another scheme, and that solution was provided for us by G. N. Lewis.

所以我们需要寻找另一个理论来解释，而G。N。Lewis已经提供了答案。

麻省理工公开课 - 固态化学导论课程节选