The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.
Efficiency in energy production is the cornerstone of sustainable development.
The future of energy is low-carbon, but oil and gas will remain part of the mix for decades to come.
能源的未来是低碳的，但石油和天然气在未来几十年仍将是能源结构的一部分。