与建造，在ac 3球员，你可以聆听到ac 3文件，设定开始时间和结束时间，分拆或减少任何一节关于ac 3文件按需要发放。

With the build-in AC3 player, you can listen to the AC3 file, set the start time and the end time, split or cut any section of the AC3 file as needed.

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设定一个开始时间。

Set a starting time.

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在开始时，先设定小小的，容易达到的，不是十分艰辛的目标，比如感觉良好地完成您的第1个马拉松，时间无论。

Ease in by setting small, easily achievable goals that aren't overly daunting, like finishing your first marathon feeling strong, rather than setting a time goal.

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