This formal vest set, featuring a black-and-white check pattern, will prove an elegant addition to any formal ensemble.

这种黑白格子的正装背心可以搭配任意一身套装，更添高雅气质。

youdao

Male civilians are asked to wear either lounge suits or a morning suit, formal attire that includes a long jacket and a vest.

其他男士要穿普通西装或日间礼服——即包括长风衣和西式马甲在内的正装。

youdao

In another first, the TV carried pictures of Kim strolling with officials, looking relaxed with his tunic undone, showing a white vest underneath - in contrast with the formal attire of his father in public appearances.

BBC: Kim Jong-un: North Korea leader's media makeover