essential assumption的用法和樣例：
例句
- This corresponds to the basic assumption of demand theory that consumers attempt to maximize utility.
這就相當於需求理論中的基本假設是消費者企圖功能最大化。 - The basic assumption of Shi's block theory only includes the dip and dip direction of the discontinuous surfaces without their specific locus.
摘要石氏塊體理論的基本假設中只考慮結構面的產狀，而不考慮它在空間中的具體位置。
