The future of coal lies in sustainable and responsible mining practices.
煤炭的未来在于可持续和负责任的采矿实践。
"Mathematics is not a spectator sport."
A book is a mirror: if an ass peers into it, you can't expect an apostle to look out.
释义:他认为气是宇宙的基础,因此气的无限性也代表着宇宙的无限性。
世界是一本书,不旅行的人只读了其中一页。
"To love oneself is the beginning of a lifelong romance."