Your immune system is a multifaceted, around - the - clock security operation capable of recognizing and responding to all sorts of malicious threats by viruses, bacteria, and other bugs. (health.com)
The villa is staffed with round - the - clock security guards, a butler and chef. (luxuryretreats.com)
He's been accused of spending at least $ 3 million on a round - the - clock security fleet, far more than his predecessors and higher - level cabinet officials. (newrepublic.com)