In another example, Eufy makes video doorbells that, like most, have motion sensors in them that can detect when someone is at your door. You can also buy additional motion sensors and put them in your driveway. When the motion sensor is tripped, it tells the doorbell, and the doorbell starts recording and sends you an alert to let you know that something is outside.
在这个属于他们的“江湖”里，“大佬榜”备受关注，“扩列”（增加好友）成为新的社交需求，“点主”（在主页点赞）是每日必做的功课……这些让成年人感到陌生的词汇，正构筑着未成年人的数字社交世界。
，这一点在同城约会中也有详细论述
Essentially the same as K-normal form; the standard name。体育直播对此有专业解读
Live Updates from different organizations: