最近，我在喀布尔从电话里问他：“说，我们真开心！”

"Say, 'How happy are we!'" I asked him recently on the phone from Kabul.

youdao

断言表示为一些布尔表达式，程序员相信在程序中的某个特定点该表达式的值为真。

Assertions represent Boolean expressions that the programmer believes to be true at specific points in the program.

youdao

表达式节点支持包含算术和布尔(真或假逻辑)运算符的简单表达式。

Expression nodes support simple expressions involving arithmetic and Boolean (true or false logic) operators.

youdao

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