The taxi driver reeled off a list of historic edifices they must not fail to visit.
出租车司机一口气说出了一串他们不应错过参观的历史建筑。
They must have a definite replay, yes or no.
他们必须得到一个要么是要么非的明确回答。
"They must be swimming back or flying," the boys concluded.
“他们一定是游回来了，或者是在飞。”孩子们总结道。
They must commit to spending time with their older neighbours.
他们必须承诺与年长的邻居共度时光。
Wendy, who saw that they must break the joyous news more gently, had a better plan.
温迪觉得他们必须把这个令人高兴的消息更温柔地说出来，她有了一个更好的计划。
They must also work together as participants in the social units I have called ensembles.
他们也必须与我称之为团体的社会单位的参与者一起工作。
"As new observations are collected," he explains, "they must be integrated into the web."
他解释说：“随着新的观测数据的收集，它们必须被整合到网络中。”
They must offer higher yields but use less water, nitrogen-rich fertilizers or other inputs.
新作物的产量必须更高，但消耗更少的水、富氮肥料或其他投入。
But if governments don't want a data economy controlled by a few giants, they must act soon.
但是，如果政府不希望数据经济由少数巨头控制，它们必须尽快采取行动。
But if government doesn't want a data economy controlled by a few giants, they must act soon.
但是，如果政府不希望数据经济由这几个巨头控制，他们必须尽快采取行动。
The others were all brave boys, and they must not be blamed for backing from the pirate captain.
其他人都是勇敢的孩子，他们不应该因为从海盗船长那儿撤退而受到责备。
"They must scurry back through the grimy crevices from where they had crept," says the New Times.
《新时代》杂志说：“它们必须从它们曾经爬过的地方，从肮脏的缝隙里迅速跑回来。”
There are not enough native-born workers in these countries so they must recruit workers from other countries.
这些国家没有足够的本土工人，所以他们必须从其他国家招聘工人。
They must be dependable and intuitive, making it easy to schedule regular backups and to retrieve files in a pinch.
它们必须是可靠和直观的，以便于安排定期备份和在必要时检索文件。
When supervisors give employees an unfavorable evaluation, they must decide whether to take any suspending actions.
当主管给员工一个不满意的评价时，主管们必须决定是否采取任何行动，让该员工暂时停职。
They must avoid certain foods that contain high levels of the chemical tyramine, which is found in many kinds of cheese, wines, and pickles.
他们必须避免某些含有大量酪胺的食物，这种化学物质存在于多种奶酪、葡萄酒和泡菜中。
For example, they must make sure they construct measures that are meaningful for each of the cultural or ethnic minority groups being studied.
例如，他们必须确保他们制定的措施对每一个被研究的文化或少数民族群体都是有意义的。
They must determine the risk of jeopardizing a job offer or a collaboration proposal from those who are wary of—or unfamiliar with—open science.
他们必须确定那些对开放科学持谨慎态度或对其不熟悉的人危及工作机会或合作提议的风险。
No matter what steps governments take to provide water more efficiently, they must change their institutional and legal approaches to water use.
无论政府采取什么措施来更有效地提供水，都必须改变对用水相关的制度和法律法规。
Although a team may be composed of knowledgeable people, they must learn new ways of relating and working together to solve cross-functional problems.
尽管团队可能由知识渊博的人组成，但是他们必须学习新的方法来建立联系并一起工作来解决跨职能的问题。
For young people to use their right to vote wisely, they must have an understanding of the needs of society, and they must also learn how politics work.
要让年轻人明智地使用他们的投票权，他们必须了解社会的需要，也必须了解政治活动是如何运作的。
Among other requirements, they must offer a side dish that meets similar criteria, with fewer than 200 calories and less than 35% of its calories from sugar.
在其他要求中，他们必须提供符合类似标准的一道配菜，即热量要低于200卡路里，且其中来自糖的热量要低于35%。
If Gilbert and the Philharmonic are to succeed, they must first change the relationship between America's oldest orchestra and the new audience it hopes to attract.
如果吉尔伯特和爱乐乐团想要成功，他们首先必须改变美国最古老的管弦乐团和它希望吸引的新观众之间的关系。
The premise is that schools will work harder to improve if they must compete.
前提是各学校如必须竞争就会更加努力改进。
They must wear helmets to protect their heads.
他们必须带上头盔以保护头部。
They must know and obey the safety rules.
他们必须知道并遵守安全规则。
You might think that they must be rather weak.
你可能会认为他们一定很弱。
"Strange," I thought."They must be up to something!"
“奇怪，”我想。“他们一定在搞什么鬼！”
If children come, they must stay close to their parents.
如果孩子来了，他们必须和父母待在一起。
If an injury is serious, they must call 120 for help.
如果伤势严重，他们必须拨打120求助。
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