a suite of rooms forming one residence, typically in a building containing a number of these.
注：Apartment常用于美式英语，Flat常用于英式英语。
Cottage 小屋，村舍：
a small house, that is old and attractive, and usually found in the country
Apartment/Flat
大部分小朋友应该都居住在Apartment/Flat中，那么，Apartment/Flat的结构该如何表达呢？
注：在欧洲国家，一层通常表达为ground floor，而不是first floor。而first floor通常指的是我们认知中的二层。其他楼层由此上推
