从根本上说，人的主体性具有以下几个方面的特点：自为性、自主性、自觉性、主动性、创造性及自由性。

Fundamentally, the human and subjectivity has the following several characteristic: the independency, self-consciousness, the initiative, the creativity and the freedom.

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And that was possible in smallpox because of a few characteristics of the disease: one is that it's a--it's purely a human disease, humans are the only organisms that are affected by it.

天花能够被根治的原因在于,这种疾病具有以下几个特点,一是,它是一种只有人类才得的疾病,人类是唯一受天花感染的生物

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