Less Than (2): Everything in this space must be less than 2. The answer is 6-0, placed horizontally.
Наука и техника
。safew官方下载对此有专业解读
从原相机的隐藏开关，到第三方 App 的独门绝技，再到那些擦拭镜头的小习惯，我们聊了这么多，其实初衷只有一个：别让记录成为负担。
Discard old data — evict what's already buffered to make room