在你买一只股票之前,花半小时去用一下这个公司的产品。如果你是消费者,觉得好用还想再买,那这家公司值得研究;如果连你自己都不想用,凭什么别人会买?
Before you buy a stock, spend half an hour using the company's product. If you're the consumer and you like it enough to buy again, it's worth researching. If even you don't want to use it, why would anyone else?