The quality of having plenty of room — the noun for what makes a place feel spacious. It is what you say when you want to talk about the feeling itself rather than describe the place: 'the spaciousness of the entrance hall', 'a sense of spaciousness'.

The quality of having plenty of room指的是空間很充裕的這種特質 — the noun for what makes a place feel spacious也就是讓一個地方感覺寬敞的那個名詞。It它 is what you say就是你用來 when you want to talk about the feeling itself講那種「感覺」本身時會用的字, rather than describe the place而不是描述地方本身: 'the spaciousness of the entrance hall'像'the spaciousness of the entrance hall'（門廳的寬敞感）, 'a sense of spaciousness'或'a sense of spaciousness'（一種寬敞感）

Notice that it is about the impression as much as the measurement. A small flat with white walls, high windows and little furniture can have a real spaciousness; a large dark room crowded with cupboards has none.

Notice注意, that it is about the impression as much as the measurement它講的是印象，跟實際大小一樣重要。A small flat一間小公寓 with white walls, high windows and little furniture白牆、挑高的窗戶、家具很少 can have a real spaciousness也可以有真正的寬敞感；a large dark room一間又大又暗的房間 crowded with cupboards堆滿櫥櫃的 has none反而一點寬敞感都沒有

That is why architects, designers and writers like it. It is uncountable, it is a fairly formal and written word, and it very often turns up in the phrases 'a sense of spaciousness' and 'a feeling of spaciousness'.

That is這就是 why architects, designers and writers like it建築師、設計師和作家喜歡用它的原因。It它 is uncountable是不可數名詞, it它 is a fairly formal and written word是個相當正式、書面的字, and而且 it very often turns up常常出現 in the phrases在 'a sense of spaciousness'「a sense of spaciousness」 and和 'a feeling of spaciousness'「a feeling of spaciousness」這兩個片語裡

People also use it beyond rooms — of a landscape, a piece of music with long quiet gaps, or a life with unhurried time in it.

People大家 also use it beyond rooms也會用在房間以外的東西上 — of a landscape一片風景的, a piece of music with long quiet gaps一首有很長安靜空拍的音樂的, or a life with unhurried time in it或一個步調從容不迫的人生的