It takes two to sync. Syncing another device with { -brand-firefox } privately keeps your bookmarks, passwords and other { -brand-firefox } data the same everywhere you use { -brand-firefox }.
同步至少需要两台设备。请与另一台设备同步您的书签、密码和其他 { -brand-firefox } 数据。私密浏览，更要无缝衔接。