While in the 1800s, the term flat was made use of to point a part of the ground divided into only one living Room or apartment. Old English had a significant world wide affect, as well as expression flat unfold across the globe. 英式英語中也會使用 apartment 這個詞，但相較於美式的 condominium，英式的 apartment 指的大多是較為高級的住宅，公寓整體的設備與環境較佳，價格自然也較貴。 I https://fredu493dcw3.wikiap.com/user