The ground floor may change from home office to granny flat and back again in cycles of twenty years.

地面层也许会由办公室改成祖母的公寓，并以二十年一个循环再次改回原状。

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The ground floor may change from home office to granny flat and back again in cycles of twenty years.

地面层也许会由办公室改成祖母的公寓，并以二十年一个循环再次改回原状。

youdao