天然气作为清洁能源，将在我国能源结构调整中发挥重要作用。
As a clean energy source, natural gas will play a significant role in China's energy structure adjustment.
如果A代表一个人的成功，那么A等于x加y加z。勤奋工作是x；y是玩耍，而z是把嘴闭上。
煤炭行业必须发展以满足现代环境标准，否则将被淘汰。
The economy of the future is one where growth is decoupled from the consumption of finite resources.
The less you respond to negative people, the more peaceful your life becomes.
Never stop learning—the world is always evolving.
