Let me drag that Boolean expression into that similar shape.

让我把那个布尔表达式拖成类似的形状。

For that we need something called Boolean expressions.

为此，我们需要一种叫做布尔表达式的东西。

Very similar, again, to a condition with its own Boolean expression.

同样，非常类似于有自己的布尔表达式的条件。

This condition, though, is any Boolean expression.

不过，这个条件是任何布尔表达式。

X less than y is my Boolean expression.

X小于y是我的布尔表达式。