Buffett said that the first step to look at the company is the moat; Compared with financial indicators, the moat of a company is easier to understand. For example, everyone in JD.COM knows that express delivery, Apple and high-end mobile phones are smooth and easy to use;
The core concept of moat:
Economic moat is a structural feature that an enterprise can maintain its competitive advantage all the year round, and it is a quality that competitors can hardly copy.
Common moat:
The moat sometimes collapses;
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