n. 证券市场进行投机时使用的金字塔式交易法；为了积累利润而连续投机；通过控股公司, 掌握少数股本而控制许多公司
英文释义
n. a fraudulent business practice involving some form of pyramid scheme e.g., the chain of distribution is artificially expanded by an excessive number of distributors selling to other distributors at progressively higher wholesale prices until retail prices are unnecessarily inflated