应用此模式的一个主要原因是要利用现有源系统的数据和功能。

One of the main reasons to apply this pattern is to leverage existing source systems with their data and capabilities.

youdao

应用此模式的一个主要原因是要利用现有源系统的数据和功能。

One of the main reasons to apply this pattern is to leverage existing source systems with their data and capabilities.

youdao