Added, Credit check function.

新增，信用检查功能。

youdao

A service might be a business function, such as check customer credit, or it might be a system capability, such as log in user.

服务可以是一项业务功能，比如检查客户的存款余额，也可以是一项系统能力，比如登录用户。

youdao

It is aligned to the business perspective of a service, which typically represents a discrete business function (for example, check credit, open account).

与服务的业务透视图保持一致，服务通常表示离散的业务功能(例如，检查信用、开立帐户)。

youdao