有两种方式可以扩展业务。评估你擅长什么,并从你的技能出发进行扩展。或者确定你的客户需要什么,然后反向工作,即使这需要学习新的技能。
There are two ways to extend a business. Take inventory of what you are good at and extend out from your skills. Or determine what your customers need and work backwards, even if it requires learning new skills.
Program testing can be used to show the presence of bugs, but never to show their absence!
我不是说唱歌手,我是一个奥斯卡奖得主。
如果是玫瑰,它总会开花的。