I think what this example shows is that the happy activity need not be recreational;

我想这个例子说明快乐活动不必是一项娱乐活动；

youdao

The investigation and analysis of urban public space of medium measure and its activity need hold rational attitude.

中观层面城市公共空间及其使用的调研与分析需要秉持科学理性的态度。

youdao

So, how to determine precursory clustering earthquake and how to fully utilize it to forecast earthquake and to monitor earthquake activity need to be deep studied and probed.

所以，如何判定前兆震群和充分利用前兆震群预报地震和监视未来地震活动有待更深入的研究和探讨。

youdao

Ball says adults need at lease 150 minutes of moderate aerobic activity each week.

VOA: standard.2010.02.26

And so the opportunity and need to invent just like any other startup or entrepreneurial activity remains strong.

因此发明创造的机遇和需要就像,任何创立活动一样，非常重要。

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So, that process happens fast but you also need this neurotransmitter release and activation to happen fast so that you can have rapid activity.

所以 电传递过程很快,但你仍需要神经递质的,快速释放和快速激活,以便使你快速活跃起来

耶鲁公开课 - 生物医学工程探索课程节选

It is important to remember that no two cancer patients are the same, so rehabilitation programmes that include physical activity will need to be tailored to the individual.

BBC: Exercise should be 'standard part of cancer care'

As well as actually spending on providing an improved platform for economic activity, governments need to tear down barriers to direct productive activity.

FORBES: Listen Up Bernanke, QE Is Not The Answer

We need to make sure that our kids are getting the physical activity that they need to stay healthy.

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