早在远古时期，人们就通过原始而简单的声音、肢体语言、符号等方式交流信息。
As early as in ancient times, people on the adoption of primitive and simple voice, body language, symbols such as the exchange of information.
远古时代，人们就开始修筑简陋的房舍、道路、桥梁和沟澶，以满足简单的生活和生产需要。
Ancient times, people began to build simple houses, roads, Bridges and ditch Chan, to meet the simple life and production needs.
远古时代，人们就开始修筑简陋的房舍、道路、桥梁和沟澶，以满足简单的生活和生产需要。
In ancient times, people began to build simple houses, roads, Bridges and still water channel to meet the simple life and production.
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