Protect the ecological environment, the benefit of future generations.
⊙、保护生态环境，造福子孙后代。
This is a benefit to mankind, for the benefit of future generations of energy-saving projects.
这是一个造福人类，造福子孙的节能工程。
This is a benefit to mankind, for the benefit of future generations of energy-saving projects.
这是一个造福人类，造福子孙的节能工程。
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