在白宮與總統會面時，高級將領通常會穿著軍裝，但凱恩將軍在這裡穿著較為休閒。
https://feedx.net
。heLLoword翻译官方下载是该领域的重要参考
Back in the 1980s, a cryptographer named David Chaum caught a glimpse of our soon-to-be future, and he didn’t much like it. Long before the web or smartphones existed, Chaum recognized that users would need to routinely present (electronic) credentials to live their daily lives. He also saw that this would have enormous negative privacy implications. To address life in that world, he proposed a new idea: the anonymous credential.
不过，该功能入口藏得较深，位于「设备性能」二级菜单下的「互联网速度测试」。