For him, reading was a necessary prelude to sleep.
对他来说，阅读是入睡的必要前奏。
For her, books were as necessary to life as bread.
对她来说，书就像面包一样是生活的必需。
His level-headed approach suggests he will do what is necessary.
他的冷静态度表明他会采取必要的行动。
They are not afraid to tackle the issues or let the sparks fly when necessary.
他们不怕应付这些问题,必要时也不惜进行唇枪舌剑的激烈争论。
An objective set of rules which we all agree to accept is necessary for any ordered society.
任何井然有序的社会都需要一套客观公正、为大家所接受的规则。
It is no longer necessary to dress like everyone else.
没必要穿得和别人一样。
It's necessary to educate children to sort the garbage.
教育孩子们要垃圾分类是很有必要的。
They were ready to die, if necessary, for their country.
必要时，他们愿为国捐躯。
Exercise is necessary for strong bones and both heart and lung health.
锻炼对强健骨骼和心肺健康都是必要的。
If we keep working toward that goal, someday, perhaps, a list won't be necessary.
如果我们继续朝着这个目标努力，也许有一天就不需要清单了。
And if we keep working toward that goal, someday, perhaps, a list won't be necessary.
如果我们继续朝着这个目标努力，也许有一天，清单就没有存在的必要了。
Exposure to nature has been thought to be necessary for brain development in children.
人们一直认为，接触大自然对儿童的大脑发育是必要的。
I clearly realize that professional knowledge is necessary if I want to get a good job.
我清楚地意识到如果我想要一份好的工作，专业知识是必要的。
Team spirit is necessary not only for a team's success but also for personal development.
团队精神不仅对一个团队的成功是必要的，而且对个人发展来说也是必要的。
Earth is a rocky planet where there is liquid water, which is necessary for life to exist.
地球是一个岩石行星，这里有液态水，这是生命存在的必要条件。
Both physical fitness and mental attitude are necessary factors to be a successful sportsman.
身体素质和心态都是成为一名成功运动员的必要因素。
Sometimes, formality is necessary, and "thank you" is still the best choice in such situations.
有时候，正式是必要的，在这种情况下，“谢谢”仍然是最好的选择。
If you want to master necessary reading skills, come to Room 308 on Tuesdays and Thursdays evenings.
如果你想掌握必要的阅读技巧，请在周二和周四晚上到308教室。
To gain necessary experience for my future career, I take an active part in social activities in college.
为了获得未来职业的必要经验，我在大学期间积极参加社会活动。
It is necessary to provide specific praise about actual actions performed and efforts made in the process.
对过程中的实际表现和付出的努力给予具体表扬是有必要的。
A good dose of willpower is often necessary to see any task through whether it's sticking to a spending plan or finishing a great novel.
无论是坚持一项支出计划还是完成一部伟大的小说，良好的意志力往往是完成任何任务都需要的。
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