This has been happening for so many past generations.

这是过去这么多世代一直发生的事情。

This tendency reaches back further into past generations.

这种趋向可以追溯到过去数代。

Today's youths are exposed to pressures and problems unknown to past generations.

如今的年轻人面临的压力及问题是不为上一代人所知的。

As we enter this new millennium, we cannot afford to reject the wisdom from past generations.

当我们迈入新千年时，我们承担不起漠视前人智慧的后果。

Encouraged by the snarkiness in pop culture today, they seem more sarcastic than past generations.

在如今崇尚说闲话的流行文化影响下，孩子们似乎比他们的上一辈更喜欢讽刺挖苦。