There must be a way round the problem.
这个问题一定有办法解决。
The study says there must be a complete overhaul of air traffic control systems.
研究称必须对航空交通管理系统进行彻底的改革。
It makes them feel like there must be something wrong with them.
它让他们觉得自己一定有什么问题。
In 2009, Martine Postma from the Netherlands decided there must be a better way.
2009年，来自荷兰的马丁·波斯马断定一定有更好的办法。
There must be some water there.
那里一定有水。
There must be a door somewhere.
某处一定有一扇门。
There must be something wrong with it.
它一定是出了什么问题。
There must be something like a trapdoor in the dungeon.
地牢里一定会有活板门之类的东西。
"In that cave," he said to himself, "there must be a fire."
“在那个洞里，”他自言自语道，“一定有火。”
After he went into his room, the owner said to his wife, "Look at his bag, there must be much money in it."
当走进自己的房间时，店主对妻子说：“看看他的包，里面一定有很多钱。”
Peter thought for a minute and said, "If Anthony has a bad opinion of me, there must be something wrong with me."
彼得想了一会儿说：“如果安东尼对我的评价不好，那一定是我有什么问题。”
Surely there must be some middle ground that balances zoos' treatment of animals with their educational potential.
想必，一定会有一些折衷之法，能够平衡动物园的动物待遇和教育潜力。
For such reasons, we can assume that there must be an important random factor in neural development, and in particular, that errors must and do occur in the development of all normal brains.
基于这些原因，我们可以假设在神经发育过程中一定存在一个重要的随机因素，特别是在所有正常大脑的发育过程中确实也会发生错误。
一定是出了什么差错。
There must be a way around the problem.
肯定有解决这个问题的办法。
We must be well prepared, there must be no slips.
我们必须好好准备，一定不要有差错。
There must be one set of laws for the whole of the country.
必须有一套适用于全国的法律。
There must be adequate recompense for workers who lose their jobs.
必须给失业的工人足够的补偿。
This letter is addressed to someone else—there must be some mistake.
这封信是给别人的—一定是搞错了。
There must be a rethink of government policy toward this vulnerable group.
对这一弱势群体的政府政策一定要进行重新思考。
There must be some misunderstanding—I thought I ordered the smaller model.
一定是搞错了—我以为我订的是更小型号的。
I'm sure there must be good news for them soon.
我相信他们很快就会有好消息了。
There must be many more ways of learning in the future.
未来一定会有更多的学习方式。
In fact, there must be something good both in China and any other foreign country.
事实上，中国和其他国家都各有优点。
In my opinion, there must be life on other planets though none has been discovered.
在我看来，虽然还没有发现，但在其他行星上一定存在生命。
There must be hundreds of videos of Lori on the computer that Lori has never seen or doesn't remember.
电脑里肯定有数百个洛里的视频，而洛里从未见过或不记得。
There must be a heavy rain soon.
马上就要下大雨了。
There must be more to it than meets the eye.
其中定有奥妙。
She thought there must be more gold and silver.
她认为一定还有更多的金子和银子。
There must be something wrong with the network.
网络肯定出现问题了。
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