Maybe this is why people have chains and peep-holes on their doors, and sometimes a locked turnstile and an armed security guard downstairs.

也许，这就是为什么人们不仅要在自己家的门上装上锁链和猫眼，有时还在楼下装上旋转栅门和配上带枪的门卫。

youdao

Maybe this is why people have chains and peep-holes on their doors, and sometimes a locked turnstile and an armed security guard downstairs.

也许，这就是为什么人们不仅要在自己家的门上装上锁链和猫眼，有时还在楼下装上旋转栅门和配上带枪的门卫。

youdao