They think of viruses that infect an organization from the outside.They envision hackers breaking into their information vaults.他们考虑来自外部的感染公司的病毒，他们设想黑客侵入到信息宝库中。A newer anti-HIV drug called pyridinone caused HIV to mutate...
The Sahara Desert is arid.撒哈拉沙漠非常干燥.If you were in the Sahara, you would realise the value of fresh water.如果你在撒哈拉大沙漠, 你就会知道淡水的价值了.The couple set off in August from Morocco, drove through the Sahara, visited Nigeria and w...
As a Grand Prix driver, you have the Sword of Damocles hanging over your head at every moment.作为国际汽车大奖赛的车手，随时都有可能发生事故。The college entrance examination is like a sword of Damocles.高考就像是一把达摩克里斯的利剑高悬的这些学生头上.Unemployment, li...