采矿的未来在于平衡经济增长与环境管理。
一个数学家的真正价值在于他们留下的问题。
命题是断言某事是或不是事实的陈述。
"The beauty of literature is that it allows us to live a thousand lives."
I don’t let setbacks define me. I let them strengthen me.
Every challenge is an opportunity in disguise.