对我们很多人来说，关于锻炼最迫切的问题是：我最少需要锻炼多长时间？

For many of us, the most pressing question about exercise is: How little can I get away with?

youdao

对我们很多人来说，关于锻炼最迫切的问题是：我最少需要锻炼多长时间？

For many of us, the most pressing question about exercise is: How little can I get away with?

youdao