But no one disputes his great influence on the science of mental health.

VOA: special.2010.04.13

If you toss a coin twice and the first experiment doesn't influence the second, we say they're independent and there's no relation between the two.

如果你抛两次硬币,第一次的结果并不影响第二次的结果,所以我们说他们是相互独立的,这两次试验没有关系

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However that may be, no question about it, there was contact, interaction,and influence.

不论怎样,毫无疑问,这些文明相互交流,相互作用,相互影响

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