You can look at how much electricity they need, because you need a certain amount of electricity to run the servers, and Google is more efficient than most, but they still have some basic requirements, and that lets you put a limit on the number of servers that they have.
看他们需要用多少电 因为需要一定的电力来维持服务器 当然谷歌比大部分的公司更有效率 他们还是有基本的需求量 那可以让你得知他们 服务器数量的底线