I spend an amount of time for the exam.

我花了很多时间准备考试。

youdao

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

All Ambassadors are required to comply with every reasonable request from their hierarchical supervisor (s) within an amount of time that it takes to comply under normal circumstances.

所有大使在工作中都被要求遵守直接主管所发出的一切合理要求，并且遵循、完成工作。

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