Other scientists perform the specialized work of peer review also for free, because it is a central element in the acquisition of status and the production of scientific knowledge.
其他科学家从事同行评议的专业工作也是免费的，因为这是获得学术地位和产出科学知识的一个核心因素。
2
Today’s peer-production machine runs in a mostly nonmonetary economy.
而今天，“群众生产”机器则基本不依靠货币经济的法则运行。
3
We instituted peer reviews to help identify bugs before they hit production, and we observed something very interesting: few bugs were being identified during the reviews.