There are only two stimulants to one's best efforts: the fear of punishment, and the hope of reward.
一个人最大的努力只有两种刺激物:对惩罚的恐惧和对奖励的希望。
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Motivation
一个人最大的努力只有两种刺激物:对惩罚的恐惧和对奖励的希望。