This can be compared to the relationship between a mobile phone and a mobile phone interface. Just like a mobile phone has the function of making calls and taking pictures, each service also encapsulates a series of functions and then interacts with users through interfaces.
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The service is for users
The interface is for developers
This can be compared to the relationship between a mobile phone and a mobile phone interface. Just like a mobile phone has the function of making calls and taking pictures, each service also encapsulates a series of functions and then interacts with users through interfaces.
Can you tell me in detail what kind of service and interface it is? This is too general.