mental need的用法和樣例：
例句
- Third, the spiritual principles of alchemy can effect psychology of an alchemist so that the need of it might be satisfied.
鍊金術的精神原則對鍊金術士發生作用，滿足了他們的心理需求。 - In product design, using the feeling feature of the material correctly can make great effect on satisfying consumers' physiological and psychological need.
在產品設計中，合理運用材料的感覺特性，對於滿足消費者的生理和心理需求具有重大的作用。
