Therefore, researching of the new vaccine is necessitous to carry out . In this paper, research is currently being conducted of the vaccine, and look into the TB vaccine's future.(所以研究新型的疫苗迫在眉睫，本文將對結核疫苗研究最新進展和未來展望進行綜述。)

But finding necessitous multimedia resources in the immense database that is distributed, isomeric, and dynamic update becomes increasingly difficulty by the way of browsing webpage manually.(但是想通過瀏覽網頁的方式手動的從這樣一個分散、異構并且動態更新的浩瀚資源庫中找到自己需要的多媒體資源也越來越困難。)

Necessitous men are not free men.(‘貧窮的人就是沒有自由的人。’)

It is the most necessitous project.(這是最急需的項目。)

So it is necessitous to transfer the rural labor reasonably and orderly in order to ensure the full employment of the farmer by every possible means.(因此，必須盡快實現農村勞動力的合理有序轉移，千方百計保障農民充分就業。)

Human will face with the problem of exhausted resources. How to find out the alternative energy becomes currently necessitous task.(人類將面臨油氣資源枯竭的問題，如何尋找接替的能源成為當前緊迫的任務。)

Thus, How to face this great historic opportunity and challenge is an necessitous mission confronted by each country in the world.(因而，如何面對這一巨大的歷史機遇和挑戰，是世界各國都面臨的緊迫任務。)