Most people do not have to be hospitalized for asthma or pneumonia.

多数人不必因哮喘或肺炎住院。

《柯林斯英汉双解大词典》

Consumers will not have to junk their old cassettes to use the new format.

消费者们将不必为了使用新制式而丢掉他们的老盒式磁带。

《柯林斯英汉双解大词典》

A new invention means sheep do not have to be sheared – the wool just falls off.

一项新的发明意味着羊不必被剪毛–羊毛就会脱落下来。

《柯林斯英汉双解大词典》

Catheters are placed inside the body to collect waste fluids, so the patient does not have to get out of bed.

VOA: special.2010.05.25

In fact you do not have to kill any animals for this kind of research because we do everything in a test tube.

其实，做这种研究,你根本用不着杀害任何动物,因为试验都是在试管中进行的。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

so it's nice just to be able to relax and not have to do work.

所以能抽空放松一下感觉非常不错。

百慕大出身 - SpeakingMax英语口语达人

Women do not have to be kept at home barefoot and pregnant for a marriage to be successful.

FORBES: Readers Say

And privacy does not have to be a net loser in a world of electronics.

FORBES: Let's Get the Engineers

Gencor, and other companies waiting on highway contracts, may not have to wait too long.

FORBES: When Will Gencor Industries' Waiting Game With Uncle Sam End?