O, Venice is a fine city, wherein a rat can wander at his ease and take his pleasure!
啊，威尼斯是一座美丽的城市，在那里，老鼠可以自由自在地闲逛，尽情享乐！
It's a complex system wherein data is copied to multiple intermediate devices, usually to speed up access to files when millions of people are trying to access the service at the same time.
