We start with a static method (independent of the class) for setting the user's services in the cache.
首先解释用来在缓存中设置用户服务的静态方法(不依赖于类)。
2
Web services are sellable functions that can be accessed independent of platforms and programming languages.
Web服务是适于销售的函数，可以使用任何平台和任何编程语言访问它们。
3
Flexibility: Web services are inherently platform independent, so integration with a device running a WS-POS stack is more flexible than other choices.