{ -brand-name-firefox } calls it private browsing, { -brand-name-chrome } calls it incognito mode. Both let you browse the web without saving your browsing history.
{ -brand-name-firefox } 称其为隐私浏览，{ -brand-name-chrome } 中叫隐身模式。两者都可以让您浏览网络而不留下记录。