It's easy for computer crimes to go undetected if no one checksupon what the computer is doing.
这是容易的电脑罪行不被发现,如果没有人来检查了哪些计算机正在做什么。
2
Mexico checkson whether families are keeping up with their responsibilities by having schools and clinics keep computerized track of attendance.
墨西哥检查的内容是这些家庭就学与就医的行为能否与电脑记录的情况相符。
3
But their age, education and skill levels mean they will never find new pay checks. They live on modest pensions and gave up socializing to save money.