在黑暗中,我们学会寻找光明;在绝望中,我们学会寻找希望。
The future of coal enterprises lies in intelligent mining and clean utilization.
有些鸟儿天生就是关不住的,它们的羽毛太鲜明,歌声太甜美、也太狂野了,所以你只能放它们走,否则哪天你打开笼子喂它们时,它们也会想办法扬长而去。
The arithmetic of modular forms is a key to understanding the deeper structures of number theory.