English version

pyramid selling in Trade topic

From Longman Dictionary of Contemporary Englishpyramid sellingˈpyramid ˌselling noun [uncountable]  BBTSELLa business activity in which the main income comes from people who buy the right to sell products, rather than from the sale of the products themselves. Pyramid selling is illegal in many places.
Examples from the Corpus
pyramid sellingSections 118-123 deal with pyramid selling.