If you sell burglar alarms, speak about home safety;

如果你是买防盗铃的，你就谈谈家居安全问题。

And grocery stores, they have so many different kinds of computers, like the cashier system and the burglar alarms.

杂货店里，就更是有很多种电脑了，有收银机，还有防盗器。

Burglar alarms going off at any time of the day or night serve only to annoy passers-by and actually assist burglars to burgle.

防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮助窃贼入室行窃。

Burglar alarms going off at any time of the day or night serve only to annoy passers -by and actually assist burglars to burgle.

防盗警报器在白天和黑夜的任何时候都会响起来，它的作用只是骚扰过路行人，而实际上却帮助窃贼入室行窃。