从石器工具演进到现代技术，工业的发展是一个贯穿人类生存的渐进过程。
The development of industry has been a gradual process throughout human existence, from stone tools to modern technology.
一旦人类被看作是在进化过程中发展起来的，那么“人类是包含在他的本质中的一种物质”的观点似乎就站不住脚了。
Once man came to be seen as developing in the process of evolution, the idea of a substance which is contained in his essence seemed untenable.
他认为共享意向在人类世系中很早就得到发展了，而且它的目的很可能是在采集食物过程中相互合作。
Shared intentionality evolved very early in the human lineage, he believes, and its probable purpose was for cooperation in gathering food.
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