It is undeniable that there was such a career named "Song Shi" as a lawyer, and some system as law agent and defence system, but these differ evidently from the career and system of lawyers in nature.

不可否认，中国古代的确产生了“讼师”这种类似于律师的职业，也的确有类似于代理和辩护的制度，但这与律师职业和律师制度的本质属性有着明显不同。

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The traditional nature of medicine has helped maintain warfarin as a popular agent, because it was the treatment of choice when most orthopedic surgeons trained during residency.

医学的传统本质使得华法林始终是个受欢迎的药物，因为它是绝大多数骨科医生住院医生培训时的治疗选择。

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It is clear that understanding the nature of this agent and how it causes such horrible diseases will shed new light on the interaction of a mysterious pathogen with its host.

很明确，研究这种传染源的性质和它是如何引起如此可怕的疾病的将有助于了解神秘的病原体与其宿主相互作用。

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Jobs' philosophy on death was that it may ultimately be a good thing: "Nature's change agent, " he called it.

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By using atmospheric air and negative ions, a natural cleansing agent, it fights dirt and bacteria with nature's own weapon, he said.

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