当我们谈到了人类，我们会把人类视为一个整体的概念，在运用科学方法之前，我们必须把他的调查活动看成是一种物理事实。
When we speak of man, we have a conception of humanity as a whole, and before applying scientific methods to, the investigation of his movement we must accept this as a physical fact.
当我们谈到了人类，我们会把人类视为一个整体的概念，在运用科学方法之前，我们必须把他的调查活动看成是一种物理事实。
When we speak of man, we have a conception of humanity as a whole, and before applying scientific methods to, the investigation of his movement we must accept this as a physical fact.
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