So even though we think of conditions as being Boolean values true or false, really underneath the hood true means anything other than zero.

即使我们考虑,布尔值的真假条件，在底层“真“表示非零。

哈佛公开课 - 计算机科学课程节选

So this is a book that tries to discuss true American values based on our history.

这本书试图探讨,基于美国历史的真正美国价值观。

普林斯顿公开课 - 国际座谈会课程节选