水，是生命之源，是人类赖以生存的基本物质基础。
Water is the source of life and the material foundation for human existence.
能源是人类赖以生存和进行生产的重要物质基础。
Energy is an important material base for human-kind's existence and production.
饮食是人类生存和繁衍的首要物质基础。
Diet has always been the capital material foundation of humans' survival and reproduction.
自然环境是人类赖以生存的物质基础。
Natural environment is the material base of the human beings depending on.
能源是人类赖以生存和进行生产的重要物质基础。
Energy resources are important substantial foundation for the people to live and to work.
能源是人类赖以生存和进行生产的重要物质基础。
Energy resources are important substantial foundation for the people to live and to work.
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