极限编程要求集体拥有代码，应此，每个开发人员都熟悉整个系统。

Extreme Programming demands collective code ownership, so all developers need to know how the entire system works.

youdao

集体代码拥有权(值得怀疑)。

Collective Code Ownership (doubtful).

youdao

集体代码所有权：没有单独的一个人能“拥有”一个模块，所有开发者都能在任何时候针对代码库的任何部分进行工作。

Collective code Ownership: No single person "owns" a module. Any developer is expect to be able to work on any part of the codebase at any time.

youdao