The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.
价值链是通过其创造并将产品或服务交付给客户的一系列活动。
I’m just a girl trying to find a place in this world.
程序测试可以用来显示错误的存在,但绝不能显示它们的不存在!
I always try to improve myself.