为了获得一张完美的野生动物照片，你很多时候得在适合的时间出现在时候的地点。

To capture the perfect wildlife image, you usually have to be in exactly the right place at precisely the right time.

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您需要确定的是哪个工具最适合您的应用，以及如何用这个工具在自动化测试运行时收集到的数据计划时间花费。

You will need to determine which tool best suits your application, and how to calculate the time spent by that tool to collect performance data during the automation run.

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拥有灵活弹性的工作时间对这些人来说是很有益处的，因为他们可以在一天中任何最适合他们自己的时间里锻炼。

Having flexible hours is a huge benefit for these people because they can exercise during the time of the day which suits them best.

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So, if that meets your schedule in a better manner, then again, do it but only with permission from Hillary or Lori.

如果它们更适合你们的时间安排，还是，只能在得到Hillary或Lori的允许,才能那样做。

麻省理工公开课 - 固态化学导论课程节选