令人难以置信的是，博物馆的防盗报警器并未触发，窃贼仅仅打破了一扇窗就进入博物馆，将名画从框架上取走而无人发现。

Unbelievably, the museum didn't have a functioning burglar alarm, and the thief was able to simply smash a window and remove the pictures from their frames, without incident.

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先来想象一下你自己家里如何保障安全和隐私：紧闭的大门以及报警系统让你远离夜贼入侵，而窗帘和百叶窗让你的生活隐私不暴露在路人的眼中。

Consider the security and privacy of your home: door locks and alarms help protect you from burglars, but curtains and blinds keep your home life private from passersby.

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当有人非法接近门或窗时，它能立即发出报警声警告入侵者离开及提醒主人。

When someone close to doors or Windows illegal, it can immediately send warning voice warning intruders left and remind owners.

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