英语语法分析

I strongly agree that overpopulation has placed an enormous burden on each citizen and the environment.

我强烈认同人口过剩给每个公民和环境带来了巨大的负担。

At a recent seminar, many participants were worried about the fact that overpopulation may give rise to many social security problems.

在最近的一次研讨会上，许多与会者担心人口过剩可能会引起许多社会保障问题。

But overpopulation is a crisis.

但数量过剩是一种危机。