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 英英释义： pyramiding[ 'pirəmidiŋ ]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 sel