Mr DeLong caps his blogging at 90 minutes a day. His only blog revenue comes from selling advertising links to help cover the cost of his servers, which handle more than 20,000 visitors daily.

花费在博客上的时间完全可以用于进行学术论文出版或是提供咨询以收取咨询费，DeLong先生利用广告费来弥补维护每天需要接待20，000人次访问的服务器的费用。

youdao

The Kyoto Protocol, which caps greenhouse-gas emissions in Europe and Japan up to 2012, includes market-based mechanisms to promote the reduction of emissions at the lowest cost.

《京都议定书》限制了2012年之前欧洲和日本的温室气体排放量，并且引入市场基准机制争取以最小的花费减少排放。

youdao

But while the iconic images might be of the polar ice caps melting, paediatrician Dr Tony Waterston warns there will also be a devastating human health cost unless we reduce our carbon footprint.

但儿科专家托尼·沃特斯顿博士提醒我们，如果不采取措施减少我们的“碳足迹”，除了极地冰层，我们的健康也要付出沉重的代价。

youdao

Make the patient responsible for a meaningful part of the cost of advanced care referrals, with caps to cover catastrophic costs.

FORBES: The Health Insurer Could Be A Better Friend

Onity will provide mechanical caps for HT series locks at no cost to Marriott franchisee.

FORBES: Lock Firm Onity Starts To Shell Out For Security Fixes To Hotels' Hackable Locks

But Massachusetts's universal health-care law has not (yet) bent the cost-curve, and Texas-style damage caps have not in fact increased doctor numbers.

ECONOMIST: Tort reform