Explain what a brand is and why it is important?用英语回答

Explain what a brand is and why it is important?用英语回答 explain why brand equity is important to the seller.what is the difference between brand equity...explain why brand equity is important to the seller.what is the difference between brand equity and brand value. translate into chinese,explain the meaning of the word less and equitybrand equity:The difference in value created by a brand less the cost of creating the brand. 请用英语回答：About brand values,what should a company do to increase its brand value? what a gem!Please explain it to me . What is a common fraction?please explain in english What is a debate?Using English to explain it. Explain to a foreigner--in English—what renqingwei means Please explain what is A Brand New a brand new brand brand brand brand a brand new day 还是a new brand 为什么 Please explain what you mean. What is the defination of brand name