dirve theory的用法和樣例：
例句
- Fairbairn challenged the drive theory of Freud, and noted that the motivity of personality was not libido but object-relationships.
費爾貝恩向弗洛伊德的驅力理論發出了挑戰，指出人格的動力是客體關係，而非性慾。 - Freud eventually justified these observations with a generalized theory of an instinctual drive, which became the foundation for his theory.
他最終用普遍的本能驅力理論證明這些觀察是合理的，而本能驅力理論也成為他的理論的基礎。
