If you can't set aside time for longer workouts, try shorter spurts of activity throughout the day.

如果你无法坚持长时间的进行锻炼，那么试一试每天穿插一些短时间的锻炼。

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You can set an AD to run during a specific time period (although not a time of day).

你可以制定一个广告计划，并让它在特定时间段(可以不是一天中的某个时间)播放。

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If you can't set aside time for a longer workout, try 10-minute chunks of activity throughout the day.

如果你没有大块的时间来进行体育锻炼，可以在一天中，分段进行，每次10分钟就行。

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However, Alonso had other ideas and improved from his seventh place in first practice to finish ahead of Hamilton and set the third fastest time of the day.

BBC: Alonso edges Hamilton in practice

Most of us who have been at this for a while know that trying to maintain a set number of hours or a particular time of day to work a business is as likely as expecting us to wear white gloves and pillbox hats again.

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Red Bull's Sebastian Vettel, whose team-mate Mark Webber set the fastest time of the first day of the test, was fifth fastest, just dipping under the Australian's best lap with a 1:21.258.

BBC: Novice Nico Hulkenberg upstages Fernando Alonso