Cách sử dụng
A moat is a deep, wide ditch, usually filled with water, that surrounds a castle or fortified building. People used to build moats to protect themselves from enemies. Nowadays, the word 'moat' is also used to describe a barrier that protects a company from its competitors. In business, a moat can be created by having a unique product or service, a strong brand, or some other advantage that makes it difficult for others to copy or compete with.