Finally, use 'at' with house numbers, for example if you're giving your address.

最后，将“at”与门牌号码一起使用，例如，如果您要提供地址。

There was a shortage of accommodation, so marshland was drained and built on to house the large numbers of people now living there.

那时房屋紧缺，因此沼泽地被抽干用来建造房屋，为那里的很多人提供了住处。

Going back to the example of house numbers, or addresses of buildings and houses, if you combine numbers together usually we combine just two numbers together.

回到门牌号的例子， 或者建筑物和房屋的地址，如果你把数字组合在一起， 通常我们只把两个数字组合在一起。