Every one of these lines of attack raises vital and interesting problems.

这些攻击路线中的每一种都会引发重要且有趣的问题。

Nobody in the family gave a thought now to anything except the two vital problems of trying to keep warm and trying to get enough to eat.

除了保暖和吃饭这两个性命交关的问题外，家中没有一个人再去想别的事情。

Indeed, in his first message to Congress he placed the conservation of natural resources among " the most vital internal problems" of the age, and forcibly emphasized an issue that had been discussed in a casual way since Cleveland's first administration.

事实上，在他给国会的第一封信中，他将自然资源保护列为这个时代“最重要的内部问题”，并强行强调了自克利夫兰第一届政府以来一直以随意方式讨论的问题。