Hard work, under the old system, meant long hours, little rest, and poor pay. Under the new system, it means a fair day's work for a fair day's pay.

当我们为后代考虑而采石时，石头就变成了桥梁，而不仅仅是资源。

"Theoretical computer science is a field where deep mathematical insights lead to practical computational tools."

创新不是目的，解决问题才是。