sun set

基本解释

Clerk: Sun-set hotel. May I help you?
櫃台服務員：日落旅館，我能幫您什麽嗎？
The once sun-never-set Empire finally collapsed.
日不落帝國終於日薄西山了。
Moreover, they expounds why manufacturing industry cannot be a sun-set industry from the aspects of the extension of its connotation, its historical mission, and the technical assurance.
竝從制造業內涵的拓延和歷史使命以及技術保証等方麪論述了制造業不會成爲夕陽産業的原因。

At the annual meeting of the Carbon Disclosure Project--a non-profit investor organization devoted to greater transparency in greenhouse gas emission statistics--Sun released a set of open-source software tools that companies can use to track carbon emissions.
FORBES: Magazine Article
As the sun set behind the Rolls-Royce and the evening became cool as it often does in this part of the country, women were given bright orange silk shawls—with the Rolls-Royce logo.
FORBES: Creating An Experience: Rolls-Royce, Vacheron Constantin Host A Thomas Keller Dinner
In Barrow, the sun doesn't set between mid-May and early August.
NPR: Life in the Land of the Midnight Sun

Sunset is the time in the evening when the sun disappears out of sight from the sky.
A sunset is the colours and light that you see in the western part of the sky when the sun disappears in the evening.