Overspill, in this sense, is people who leave a big city because too many people already live there, and go to new houses outside the city. Planners also use it for the new towns and housing built for those people: overspill towns, overspill housing.

in this sense在這個意思裡, overspill(這個字) is指的是 people人 who leave a big city離開大城市的 because too many people already live there因為那裡已經住太多人了, and go to new houses outside the city然後搬去城外的新房子. Planners規劃者 also也 use it用這個字 for the new towns and housing建的新市鎮和住宅 built for those people給這些人: overspill towns, overspill housing就叫 overspill towns、overspill housing.

It is mainly a British word, from city planning in the last century — London overspill is a famous example.

it它 is mainly a British word主要是英式英語的字, from city planning in the last century來自上個世紀的城市規劃 — London overspill倫敦的 overspill is a famous example是個有名的例子.

The picture behind it is a cup that is too full, so the drink runs over the edge; here the "cup" is the crowded city, and the "spill" is people. You also hear it as a verb: a city overspills into the towns around it.

the picture behind it背後的畫面 is a cup that is too full是一個太滿的杯子, so the drink runs over the edge於是飲料就從邊緣溢出來; here在這裡 the “cup”那個「杯子」 is the crowded city就是擁擠的城市, and the “spill”而「溢出」的 is people就是人. you你 also也 hear it as a verb會聽到它當動詞用: a city一座城市 overspills into the towns around it溢流到周圍的城鎮裡去.

It is not a word for water on the floor; that is just spill. In the US people more often say overflow, or talk about moving out to the suburbs.

it它 is not a word for water on the floor不是用來說地上有水的字; that那 is just spill只是 spill 而已. in the US在美國, people人們 more often say overflow比較常說 overflow, or talk about moving out to the suburbs或說搬去郊區.

Though actually, even in Britain younger speakers may not use overspill much unless they are talking about housing history or planning. The word can sound a little cold, as if people were liquid.

though actually不過其實, even in Britain即使在英國, younger speakers年輕一代 may not use overspill much可能不太用 overspill 這個字了, unless they are talking about housing history or planning除非在講住宅歷史或都市規劃. the word這個字 can sound a little cold聽起來可能有點冷, as if people were liquid好像人是液體一樣.

That is the tidy planning word; the people themselves just say they moved.

that那 is the tidy planning word是規劃用語裡整整齊齊的說法; the people themselves而人們自己 just say they moved就只會說他們搬家了.