But of course, like any immutable system, there are mutable parts (otherwise, we couldn’t create any configuration files). OSTree handles this with “overlays” (actually, we use OverlayFS) that allow a read-write filesystem to be layered on top of the immutable system. For example, the /etc and /var directories are writable, while the rest of the system is read-only.
坏消息是，呼声极高的内置磁吸充电功能，在最后一刻遗憾退场。原因非常无奈：底层的磁性元件会严重干扰 S-Pen 的书写精度。在拥抱行业新趋势和死守品牌护城河之间，三星最终选择了后者，只留下了一堆官方的磁吸配件作为补偿。
，详情可参考WPS下载最新地址
The latest earbuds are said to offer improved audio quality and active noise cancellation (ANC), with an ambient sound mode, adaptive EQ and adaptive ANC. On Buds 4 Pro, there's a siren detection feature that enables ambient sound to let you hear things like alarms or emergency vehicle warnings.，推荐阅读同城约会获取更多信息
但三星并不是第一家在手机上直接集成防窥屏硬件的厂商，夏普从 LCD 翻盖机时代就已经搭载了类似的技术，一直到 Aqous 时代都有延续：。WPS官方版本下载对此有专业解读