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vacant land; unoccupied ground; empty lot
空地に仮設の駐車場が作られた。
A temporary parking lot was set up on the vacant lot.
昔は空地で子どもたちがよく遊んでいた。
In the old days, children often played in empty lots.
長年の空地にマンションが建つことになった。
An apartment building is set to be built on a long-vacant plot.