通常，人们会把盘里的所有东西都吃完，但是如果有一个食量控制机制，他们就会吃的少些。
People eat everything you give them. But if you give people a mechanism to limit what they're going to have for food later on, people actually eat less as a consequence.
通常，人们会把盘里的所有东西都吃完，但是如果有一个食量控制机制，他们就会吃的少些。
People eat everything you give them. But if you give people a mechanism to limit what they're going to have for food later on, people actually eat less as a consequence.
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