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。

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The schools don't have the funds for video surveillance, so we need people in the neighbourhood to call their nearest police station and report any suspicious activity immediately.

这些学校没有资金安装视频监控，所以我们需要附近的人给最近的警察局打电话，并立即报告任何可疑的活动。

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You might need an activity that does nothing at all, such as when you have a construction that requires an activity, but there is no work to be done.

您可能需要一个根本不执行任何工作的活动，例如，当您拥有一个需要某个活动的构造，但没有要执行的任何工作时。

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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。

斯坦福公开课 - 微软CEO-Steve.Ballmer谈科技的未来课程节选

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.

WHITEHOUSE: First Lady Michelle Obama at ��Chefs Move to Schools�� Event