In American restaurants they are de rigueur.

在美国的餐厅，给小费是必要的礼节。

Talcum powder is generally de rigueur.

一般来说必须涂上爽身粉。

Meeting clients or business partners in person is de rigueur.

亲自会见客户或商业伙伴是不必要的。

Toppling statues of white men was de rigueur for woke activists in many cities.

在许多城市，推翻白人男性雕像是觉醒的活动人士的一贯做法。

In a few years, using a brain implant to control your devices may be as de rigueur among San Francisco's techno-chics as wearing wireless earbuds is today.

在几年内，使用大脑植入来控制你的设备或许就会像现在佩戴无线耳机一样成为旧金山科技潮人的必备之物。

Small talk in Singapore only occasionally references it, as the equator doesn't offer much diversity, while it's almost a de rigueur conversation-starter in the changeable climates of the U.S. and Europe.

在新加坡，人们闲谈时难得提到天气，因为新加坡地处赤道，终年气候变化不大，而在美国和欧洲天气多变，人们几乎习惯性地把天气作为交谈的话头。

Wandering isn't a big deal in an informal essay, is practically de rigueur, as a matter of fact—but it's a very bad habit to get into when working on more serious subjects in a more formal manner.

写非正式随笔的时候游离主题不算什么大毛病，事实上跑题几乎是时尚必需之道一问是在正式写作严肃题材文章的时候跑起题来却是个很坏的习惯。写作是对思维的精炼。