We have already mentioned the problems associated with insuring high frequency, low severity events and they certainly fall into the self-retention category.

我们已经提到过一些跟高频率低幅度的事件有关的风险，它们肯定归入自我保留一类。

youdao

Connecting trips directly to the ability to support revenue generation, customer retention or employee satisfaction makes travel a strategic category for spend, ensuring return on travel and expense investment.

FORBES: Written by Tony D��Astolfo