Germany’s national obsession with Lüften, the art of airing rooms, was sometimes regarded as a quirk best kept to itself. Even in the bleak midwinter, windows would be flung open to let fresh air in. But then the coronavirus pandemic came along.
德国人对“Lüften”（通风）的痴迷，有时被认为是一种最好保留在自己身上的怪癖。即使在寒冷的隆冬，他们也会打开窗户，让新鲜空气进来。但后来新冠疫情爆发了。
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