Other scientists perform the specialised work of peer review also for free, because it is a central element in the acquisition of status and the production of scientific knowledge.
其他科学家也会无偿地进行同行评审这项专业工作，因为这是获取地位和生产科学知识的核心环节。
its content acquisition costs nothing.
其内容获取不花费任何费用。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。