Each full battery charge provides approximately three hours of use.
冲饱电可以满足三四个小时的使用。
Why use story points instead of units of time such as hours?
为什么要使用描述点，而不是小时之类的时间单位？
The battery has a charge life of about three hours with continuous use.
电池充电后可无间断使用大约3小时。
For example, many of us use a time management system to record our work hours.
例如，我们当中的许多人都使用一种时间管理系统来记录我们的工作时间。
Youcannot change the number of hours, but you can decide how to best use them.
你无法改变这些时间的总量，但是却可以决定怎样更加有效地利用它们。
I can make better use of commuting hours.
我可以利用上下班的时间。
Can I use your car for a couple of hours?
我可以借你的车用两小时吗？
Can I use your car for a couple of hours?
我可以借你的车用两小时吗？
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