This is the serious predicament, the deep and haunting problem confronting modern man.

这是现代人面临的严峻处境、沉重的大难题。

It would also send a message to other countries that they have to take serious steps to avoid landing in a similar predicament.

这也会给其它国家发出一个信号：即它们必须严肃对待，以免陷入类似的困境。