A full time security guard sounds expensive. Why don't they just put in an alarm system?

全职保安听上去很贵的。他们为什么不装个报警器呢？

youdao

Rox said it had now employed a full-time security guard and installed a smoke cloud system as a deterrent.

BBC: Rox in George Street in Edinburgh

But Kidd went back to being a full-time point guard after Felton fractured a finger on Christmas and missed nearly a month.

WSJ: N.Y. Knicks: Could Jason Kidd's Slump Be Permanent?

Gray joining the family in Canada is not an option -- he serves in the National Guard and is a full-time college student -- so they've been living apart for six months.

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