详细解释:n. 皮包, 公文包, 部长职务, 有价证券财产目录, 艺术代表作选辑
【法】 公文包, 文件夹, 阁员职务
词型变化：
名词复数:portfolios英语解释：
名词 portfolio:
a large, flat, thin case for carrying loose papers or drawings or maps; usually leathera set of pieces of creative work collected to be shown to potential customers or employersa list of the financial assets held by an individual or a bank or other financial institutionthe role of the head of a government department例句：
He went through drawer after drawer and eventually searched out a dusty portfolio.他一个一个抽屉查找，后来终于找出了一份沾满灰尘的文件夹。