你看不见你自己,你所看见的只是你的影子。
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly.
人分这么几种:不认识,认识,熟人,朋友,知心朋友。朋友不在当面表白,而是背后说起朋友的时候,是否提到过你。