得之我幸 失之我命

when someone abandons you，it is him that gets loss because he lost someone who truly loves him but you just lost one who doesn’t love you.

bash 引号与转义

macOS 自带的 usr/bin/python3

jf 环境变量的作用范围、获取、设置

四个内存的 SS

vim map 介绍

类成员的访问权限

类内的 static

the only present love demands is love

ESC