Even if a pattern of behaviour is almost universal, we can't know in advance if it is a law of nature we cannot change or simply a remnant of our primitive past that we can and should modify.
即使一种行为模式是近乎普世的，我们也无法预先知道它究竟是一个我们不能改变的自然法则，还是只是一种我们能够并且应该改变的原始陋习。
It is easy to direct a child's pattern of behaviour by reinforcing good behaviour with some kind of reward.
通过给予儿童某种奖励巩固他们的良好行为来指导儿童的行为模式，这是比较容易做到的。
It is easy to direct a child's pattern of behaviour by reinforcing good behaviour with some kind of reward.
通过给予儿童某种奖励巩固他们的良好行为来指导儿童的行为模式，这是比较容易做到的。
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