necessitate
v[Tn, Tg, Tsg]
(fml 文) make (sth) necessary 使(某事物)成为必要
It's an unpopular measure, but the situation necessitates it. 这是不得人心的办法, 但形势需要这样做.
Your proposal will necessitate borrowing more money. 依你的建议, 就必须增加借款.
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.
是的,我看见了。他们怎么能这样排放废水呢?海水的颜色多么可怕呀!看来我们班同学根本不能在这里游泳。
There are many things to be learnt when you start working.
开始工作时,你有许多东西要学。
I went on walking, bending down because the roof of the cave was not very high.