Since the connection with the poker chips is established through classical conditioning, sooner or later by that logic the poker chips would lose their power to serve as reinforcers.

因为与扑克筹码有关的联结,是通过经典条件作用建立的，所以按照这种逻辑,扑克筹码迟早会失去强化物的作用。

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But you can lose muscle mass by starving yourself, too.

但是你要减掉肌肉也可以靠挨饿。

要拥有好身材 - SpeakingMax英语口语达人