As one of the most vigorous exercises out there, running is an extremely efficient way to burn calories and drop pounds.

作为最剧烈的锻炼之一，跑步是一种极其高效的减肥方法。

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As one of the most vigorous exercises out there, running is an extremely efficient way to burn calories and drop pounds.

作为最剧烈的锻炼之一，跑步是一种极其高效的减肥方法。

youdao