1.They are a great way to have a professional help keep users one step ahead of hackers.
step ahead of 領先一步
Successful travel is partly a matter of keeping one step ahead of the crowd.
成功的旅行在某種程度上就是要比人群先走一步 。
Businessmen cluster together to get ideas, tips, personal contacts anything to get a step ahead of the computer.
商人們聚集在一起尋求創意、建議、人際關系等,以便能比計算機領先一步 。