很容易说你有很多重要的任务来完成，这样今天你就不会有时间去锻炼，但是你必须找到那些10 - 15分钟做一些练习。
It's so easy to say that you have a lot of important tasks to accomplish so you don't have time to work out today, but you have to find those 10-15 minutes to do a few exercises.
研究表明做那种差不多7分钟的间断性练习比做长时间的，定期的有氧锻炼更有效。
Research shows doing interval training workouts as short as seven minutes can have more benefit than doing long, steady-state cardio workouts.
研究表明做那种差不多7分钟的间断性练习比做长时间的，定期的有氧锻炼更有效。
Research shows doing interval training workouts as short as seven minutes can have more benefit than doing long, steady-state cardio workouts.
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