(1)自然力造成的损失
指由自然界中常见的破坏性力量所造成的损失。

(2)突发性损失
指突发、异常、意外的事件或行为带来的损害，与渐变、磨损、损耗等情形相区别。

• preference
• preference share
• preference stock
• preferential assignment
• preferential claim
• preferential debt
• preferential dividend
• preferential hiring hall
• preferential primary
• preferential shop
• preferential tariff
• preferential transfer
• preferential voting
• preferred
• preferred beneficiary
• preferred creditor
• preferred dividend
• preferred dockets
• preferred legacy
• preferred maritime lien
• preferred position
• preferred share
• preferred ship mortgage
• preferred stock
• preferred stock bailout