optimal investment的用法和樣例：
例句
- The efficient boundary of the portfolio selection is the key to determine the optimal investment structure.
證券組合投資有效邊界是確定最優(yōu)投資結構的關(guān)鍵。 - It is designed only to maintain minimum standards, not to assure an optimal or perfect decision.
設定司法審查的意圖僅僅在于維持最低的標準而非確保最適宜的或最理想的行政決定。
