Once at the checkout aisle, the customer actually checks out -- which takes an amount of time proportionate to the number of items purchased.

一旦来到付款通道，顾客实际上就在付款了 — 所花时间与所购商品的数量成比例。

youdao

When used as a noun, "shift" means change or move, but it's also used for an amount of time at work.

用作名词时，意思仍然是“改变”或“移动”，但是也表示“轮班”。

youdao

A perpetuity is an asset or a contract that pays a fixed amount of money each time period, forever.

永续年金是一种财产或者合同,规定在每一时间段内,支付一定数量的货币,直至永远

耶鲁公开课 - 金融市场课程节选

Typical characterization, not all the time, but typical characterization, is an algorithm that reduces the size of a problem by one, or by some constant amount each time, is typically an example of a linear algorithm.

我们学习过了线性算法，它的典型特征，不是通用的,但是比较典型的特征是，它是逐一减小问题的大小的，或者说是每次减小常数的大小。

麻省理工公开课 - 计算机科学及编程导论课程节选

Even worse, it requires an amount of time and expertise to appropriately navigate that is unrealistic to expect from the average taxpayer.

FORBES: Tax Aspects Of Paul Ryan's FY 2014 Republican Budget Proposal

According to Oregon State University Extension, creditors may be willing to negotiate by giving you a lower monthly payment, a lower interest rate or even deferring your payment for an amount of time.

FORBES: How To Fireproof Your Budget

Many of them spend an inordinate amount of time quibbling about minor semantic points, or trivial differences in statistics.

ECONOMIST: Face value