我们不必等待太久。

We didn't have to wait ___for ___long.

然而，我父母那一代人不会长期认同这种生活方式。

My parents' generation, however, would not identify with this lifestyle ___for ___long.

政策的影响可能不会持续太久。

The effects of the policy may not be visible ___for ___long.