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.

当股票有吸引力时，你就买它们。当然，它们可能会更低。我以12美元买的股票跌到了2美元，但后来涨到了30美元。你只是不知道什么时候能抓住底部。