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。
If he agreed to their demands, he would have to be untrue to his own principles.
假使答应他们的要求，他就得背叛自己的原则。
Firms have to be responsive to consumer demand.
公司必须对顾客的需求作出积极反应。
Northbound traffic will have to be diverted onto minor roads.
北行车辆将不得不绕次要道路行驶。
The body that turns men on doesn't have to be perfect.
激发男人们性欲的身体不一定要完美。
The materials used have to be able to withstand high temperatures.
所使用的材料必须能够耐高温。
There are rumblings that the election may have to be postponed.
有传言说选举也许不得不延期。
Each time the product changes, the machines have to be retooled.
每次更换产品，就得重新装备机器。
A passion for cooking does not necessarily have to be bad for your waistline.
热衷于做菜并不一定会使腰围变粗。
These institutions have to be apolitical in order to function and to perform effectively.
要有效运转和发挥作用，这些机构就必须不牵连政治。
You have to be able to describe things in a form that the end user can understand.
你必须能以最终用户能够理解的方式描述产品。
I don't want to be rude, it's simply that we have to be careful who we give this information to.
我不是有意无礼，只不过这份资料给谁我们必须很慎重。
You have to be firm, but at the same time you should try and be sympathetic.
你必须要严格，不过也应尽量怀有同情心。
All the parts of the sculpture have to be welded together.
这件雕塑所有的部件都必须焊接在一起。
The message that comes through is that taxes will have to be raised.
传出的消息是税收会被提高。
Dogs have to be quarantined for six months before they'll let them in.
狗必须被隔离6个月后他们才会放它们进来。
Normally specimens have to be dehydrated.
通常标本必须得脱水。
Bathrooms don't have to be purely functional.
浴室不必完全只为了实用。
The posts have to be set in concrete.
这些柱子必须固定在混凝土中。
Tomorrow's workers will have to be more adaptable.
未来的工人必须具有更强的适应性。
This essay will have to be completely rewritten.
这篇文章得全部重写。
The precise details still have to be firmed up.
准确的细节仍需最后敲定。
There are going to have to be some drastic changes.
一定得有些重大变革。
We have to be realistic about our chances of winning.
我们必须实事求是地估计我们获胜的可能性。
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。
All the other ingredients, including water, have to be listed in descending order by weight.
其它所有成分，包括水，必须根据其重量降序排列。
In order to reach this limit a number of technical problems will have to be solved.
为了达到这个限度，有许多技术问题得解决。
We'll have to be careful with money but that doesn't mean (that) we can't enjoy ourselves.
我们必须精打细算，可也并不是说我们就不能过得快乐。
No one drug will suit or work for everyone and sometimes several may have to be tried.
没有任何一种药会对每个人都适用或有效，有时得试好几种。
Our policies have to be judged against a clear test: will it improve the standard of education?
我们的政策得比照一个明确的检验，即会提高教育水准吗？
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