Decide which of your internal applications need to be exposed as web services so that they can be either leveraged internally or be used later when you begin external integration.

决定需要将哪个内部应用程序作为Web服务公开，使这些应用程序既可以内部利用，也可以在将来进行外部集成的时候使用。

youdao

Review every project to decide whether to produce internally, out-source, or produce in cooperation with other companies.

FORBES: Connect

Moreover, if they decide to develop the application should this be done internally with existing staff, or outsourced?

FORBES: Best Practices - Aren't