The modules might be written by in-house developers or they may be third party or open source software libraries.

模块可以由内部开发人员编写，也可以是第三方或开源软件库。

youdao

The modules might be written by in-house developers or they may be third party or open source software libraries.

模块可以由内部开发人员编写，也可以是第三方或开源软件库。

youdao