portfolion.文件夹；公事包；作品集；投资组合；（大臣或）部长职务portfolios of investment投资组合portfolio of commodities商品投资组合; 期货组合portfolio diversification分散投资portfolio pension pattern组合养老模式portfolio matrices trends波士顿矩阵Portfolio Selection Model投资组合模型portfolio choice behavior资产选择行为portfolio selection theory资产组合理论Portfolio Investment Model证券投资模型portfolio investment theory投资组合理论