第二层是中游“卖水电”的云服务与算力平台，核心定位是充当“基础设施运营商”，靠赚取服务费实现盈利。
-http_client: HttpClient，推荐阅读Line官方版本下载获取更多信息
△中科第五纪轮式双臂机器人，图片：采访人提供，更多细节参见Line官方版本下载
The reason is always the same: the content and the key that decrypts it are both present on the client’s machine. The user’s hardware decrypts the content to display it. The user’s hardware is, definitionally, something the user controls. Any sufficiently motivated person with the right tools can intercept the decrypted output.