Birds do it, killer whales do it, and if you happen to work in construction and are really lucky, you might just see a frog do it.
鸟类会唱歌，杀人鲸会唱歌，如果你在工地里上班，也许会幸运地听到青蛙也能唱歌。
Just imagine if it takes to happen in few years, a group of curious people might take the service.
试想想看如果这项技术几年后发生了，一群好奇的人尝试了这项服务。
It won't happen if you just look over some information. However, if you download a program and run it, your computer might be affected with virus.
如果只查看信息，就不会染上病毒。但是如果你下载了一个程序并运行它，则有可能染上病毒。
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