Necessitous men are not free men.

‘贫穷的人就是没有自由的人。’

It is the most necessitous project.

这是最急需的项目。

The bishop planned to necessitous areas of the city.

主教打算走访城市里的贫困地区。

Thus, How to face this great historic opportunity and challenge is an necessitous mission confronted by each country in the world.

因而，如何面对这一巨大的历史机遇和挑战，是世界各国都面临的紧迫任务。

Human will face with the problem of exhausted resources. How to find out the alternative energy becomes currently necessitous task.

人类将面临油气资源枯竭的问题，如何寻找接替的能源成为当前紧迫的任务。