投递能力的英文：
Deliverability

Deliverable contracts involve an obligation to deliver or take delivery at maturity.
可交割合约包含到期交割或接受交割的义务。

A deliverer was raised up.
救星出现。

deliverable end item
可交付使用的结尾项目

To their deliverer the poets paid the greatest tribute they could render
诗人们竭尽全力地赞颂自己的拯救者。

She constantly invoked death for her relief and deliverance
她常常想在死亡中寻求解脱。