比如，如果你教猴子完成任务，只要任务完成了就给它回报，猴子很快就明白了只要努力做事就有回报。
For example, if you teach a monkey to do a task and consistently reward it every time the task is done, the monkey quickly learns to associate a specific outcome with the efforts.
什么付出就有回报，什么努力与成果相等，在爱情里统统什么都不是。
What effort what efforts and achievements of return is equal in love all or nothing.
什么付出就有回报，什么努力与成果相等，在爱情里统统什么都不是。
What effort, what efforts and achievements of return is equal, in love all or nothing.
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