在方案中仅仅使用了视觉密码和消息认证码两个密码组件，在不降低安全性的前提下，有效地避开了传统密码的缺点。
It avoided the disadvantages of traditional cryptography by adopting only two cryptography components: visual cryptography and MAC, and the safety has not been lowered down.
RESTful服务通常在它的响应中提供两个有意义的组件：响应主体本身和一个状态码。
A RESTful service typically provides two meaningful components in its responses: the response body itself and a status code.
另一方面，全局变量是一种可在同一组件内的任一代码片段中使用的变量。
A global variable, on the other hand, is available to be used in any snippet within the same component.
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