sole cause
sole cause 单独原因；唯一原因 指从法律上来说，直接引起事件发生或造成损害后果的原因。如果该原因是在被告的行为作出后，而在存有争议的事件或损害发生前出现的，该原因即被认为是替代原因〔superseding cause〕，而非唯一原因。
sole cause
sole cause
The only cause that, from a legal viewpoint, produces an event or injury. • If it comes between a defendant’s action and the event or injury at issue, it is treated as a superseding cause. [Cases: Negligence 431. C.J.S. Negligence §§ 202, 315.]