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。

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。