The main reservoir sedimentary facies is channel fill formed by channel detention and marginal bank.

主要储层沉积相为河道滞留与边滩组成的河道充填。

youdao

That expensive bank of hard drives (fixed costs) can serve tens of thousands of users (marginal costs).

价格不菲的硬盘驱动器(固定成本)可服务成千上万的用户(边际成本)。

youdao

If we continue to follow the way of thinking in the era of the shortage of funds, the bank service will be gradually marginal in the new-type business market and the highly effective market.

如果继续沿袭资金短缺时代的思维方式，银行服务在新型业务市场和高效业务市场上将逐渐边缘化。

youdao

Just as diminishing marginal utility means more of something adds less and less to total utility (bank reserves), it also means that less of something (bologna) will raise its utility at the margin.

FORBES: Tom T. Hall's Week in Jail, the Jailer's Wife's Bologna, and Monetary Policy