The beauty of theoretical computer science lies in its ability to connect abstract mathematical concepts with practical computational problems.
大自然的足迹不仅要在其寻常过程中追寻,还要在她最离奇的偏离中寻找。
The most hateful torment for men is to have knowledge of everything but power over nothing.
“I give my whole water in joy,“ sings the waterfall, '' though little of it is enough for the thirsty。''