只有美国消防员和维修人员有密码或者特殊的钥匙时，他们才能按按钮加速关门的过程。
Only US firefighters and repairmen can use the buttons to speed up the door-closing process if they have a code or special keys.
我跟你的邻居说了，他们有一把备用钥匙，我们看到了起居室，他们叫了警察。
I talked to your neighbor, they had an extra key, we saw the living room, they called the cops.
由于选择或者是必要性的，仍然有很多自带钥匙的孩子，他们的父母给予他们很多自由。
There are still plenty of latch-key kids whose parents give them a lot ofindependence, by choice or by necessity.
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