永远对你所拥有的心怀感激。
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.
数学直觉常常指导算法的发展,但确保其正确性和效率的是严格的证明。
言多必失,要谨言慎行,不要盲目争强好胜。