It's become a cultural norm: women of a certain age cut off their hair.

已经成为文化范畴：一定年龄的女性剪掉他们的头发。

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Throughout the 20th century smoking became a cultural norm in many countries.

贯穿整个20世纪，吸烟成为许多国家的文化规范的一部分。

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Throughout the 20th century smoking became a cultural norm in many countries.

贯穿整个20世纪，吸烟成为许多国家的文化规范的一部分。

youdao