dirve theory的用法和样例：
例句
- Fairbairn challenged the drive theory of Freud, and noted that the motivity of personality was not libido but object-relationships.
费尔贝恩向弗洛伊德的驱力理论发出了挑战，指出人格的动力是客体关系，而非性欲。 - Freud eventually justified these observations with a generalized theory of an instinctual drive, which became the foundation for his theory.
他最终用普遍的本能驱力理论证明这些观察是合理的，而本能驱力理论也成为他的理论的基础。
