天文学家每年可能只花一周左右的时间用望远镜进行观察，其余时间用来测量或分析大型项目或调查中获得的数据。

An astronomer might spend only a week or so each year observing at the telescope and the rest of the time measuring or analyzing the data acquired from large projects or surveys.

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其中一个方案是去协助照看这些表演人员，或者花一个小时左右，在他们到达之后做好组织工作，然后跟他们在一起，确保一切顺利进行。

One possibility is to help look after the entertainers, or you could spend an hour or so organising people as they arrive, and then just be part of the team making sure everything's going smoothly.

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根据媒介调查公司尼尔森的统计，有网络连接的美国人每个月花26小时左右的时间进行在线活动——换句话说，相当于他们醒着的时间的百分之五。

According to Nielsen, a media research company, Americans with access to the Internet devote around 26 hours a month to online activity-in other words, just 5% of their waking hours.

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Again, this probably should be cleaned up and in a couple of weeks we'll spend a day or half period trying, to clean it up and make it somewhat more precise.

以上内容还有待梳理,未来两周我们将会花上一天半左右的时间,试着梳理这些内容,使其更加精确

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