stock investment portfolio的用法和樣例：
例句
- All three types of risks are relevant for deciding what assets to include in a portfolio,and what debts to have outstanding.
這三種風險都與確定證券投資組合里包括什麼資產和什麼債務有待償還有關。 - The optimization model of multi-product inventory with chance constrained attributes based on behavioral portfolio theory is established, which are solved as well.
結合行為證券投資組合理論建立了一種具有機會約束屬性的多產品庫存優化模型，並給出了其求解演算法。
