Operating system-level security features, application sandboxing, and permission systems
There’s a saying that “abstractions are always leaky”.
，这一点在下载安装 谷歌浏览器 开启极速安全的 上网之旅。中也有详细论述
error prone. Maybe the compiler can do this transformation for us?
"We run three sessions, one for vulnerable people, one for the general public, and one for post-work customers who are in employment and in poverty.