在第1部分，我们介绍了事务处理监视器(TPM)这个概念，TPM是一个程序，它代表应用程序协调分布式事务的执行。

In Part 1, we introduced the concept of a transaction processing monitor (TPM), a program that coordinates the execution of distributed transactions on behalf of an application.

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可是为了协调彼此分工，得引入个新概念：顶头上司。

But to coordinate these they have to introduce something new: bosses.

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作为解决此难题的一个手段，我们引入了事务协调服务(Transaction Coordination Service, TCS)的概念，原则上，它可以用于管理安全的且一致的分布式事务。

As a means to address this challenge, I introduced the concept of a transaction coordination service (TCS) that can, in principle, be used to manage secure and consistent distributed transactions.

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The aim of the Republic is to establish a harmonious city, based on a conception of justice that, so to speak, harmonizes the individual and society, how to achieve that.

理想国》的主要目的,是要建立一座和谐的城邦，其基础概念是正义，也可以说是要协调个人与社会，及陈述达成目的的方法。

耶鲁公开课 - 政治哲学导论课程节选