It turns out when a baby's born now, they put an RFID bracelet on the baby, put a corresponding one on the mother, so if anyone other than the mother takes the baby out of the maternity ward, an alarm goes off.
发现当一个婴儿出生后 他们会给婴儿戴上一个带RFID的手镯 然后给母亲也配一个对应的 这样，当一个不是母亲的人想把婴儿从产房带走 警报就会响