necessary essential requisite indispensable certainly need
There needs to be a properly informed public debate.
有必要让公众在充分知情的状况下展开辩论。
—— 柯林斯例句There´sno need for that kind of language in this magazine.
这份杂志没必要出现那种语言。
—— 柯林斯例句"I have never knowingly exposed any patient to needless risks," he said.
他说:“我从未故意将任何病人置于不必要的风险境地。”
—— 柯林斯例句Why do we pay to overheat pubs and hotels?
为什么我们要为酒吧和宾馆不必要的暖气开支买单呢?
—— 柯林斯例句Before you go near a stockbroker, do your homework.
找股票经纪人之前,先要做好必要的准备工作。
—— 柯林斯例句