他已经练习了一个月，看起来效果不佳。
研究者提供了免费健身卡，让他们在第一个月每周做一次练习，在第二个月每周做三次练习。
They were given free gym memberships and asked to exercise just 1x/week for the first month and 3x/week for the second month.
研究者提供了免费健身卡，让他们在第一个月每周做一次练习，在第二个月每周做三次练习。
They were given free gym memberships and asked to exercise just 1x/week for the first month and 3x/week for the second month.
应用推荐