可持续性不再是可选项，而是任何想在21世纪蓬勃发展的企业的必需品。

The creation of a modern state is a complex and difficult process that requires the development of strong institutions.

You cannot always control what goes on outside. But you can always control what goes on inside.

释义：他或许将气视为一种无形无声的存在，但又能通过其影响力和作用力展现出其存在。