(b) not liable for the loss, damage, or delay in delivery to the extent the carrier proves that it is attributable to one or more events for which the carrier is not liable.
(b) 对于经承运人证明不应由承运人承担责任的一个或多个事件造成的灭失、损坏或迟延交付，在此范围内不应承担责任。