window dressing

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CSS has addressed many issues related to window dressing: fonts, spacing, padding, backgrounds, and more—all visual presentation elements.
CSS 已解决许多与窗口修饰相关的问题：字体、间距、填充、背景，等等 — 所有视觉呈现元素。
Jonathan Breeze, chief executive of Jet Republic, a private-jet operator, suggests that some announcements that firms are selling their jets are “elaborate window dressing”.
私人飞机公司Jet Republic的首席执行官Jonathan Breeze暗示：有些公司声称要出售他们的喷气机纯属是“整情弄景”，并无诚意。
In addition, some professional money managers put cash to work at year's end in an effort to push up portfolios temporarily and improve their performance numbers, a practice known as window dressing.
此外，一些职业投资经理在年底时会买进股票，希望暂时增加持股比例，改善业绩，这也就是所谓的粉饰业绩。

They also make for effective window dressing, helping to keep critics and regulators quiet.
FORBES: It's The Burgers, Stupid
The rest of us — north of 100 million voters — amount to window dressing.
FORBES: Congrats On Your Vote, Too Bad It Probably Didn't Count
Including those other than the Fed and the ECB was, in my opinion, window dressing.
FORBES: The Fed's Recent Action on Swaps

(SHOPS) the skill of decorating shop windows and arranging goods in them so that they look attractive to people going past
(DECEIVING) things that are of no real importance and are said or done in order to make an attractive effect

Window dressing is the skill of arranging objects attractively in a window, especially a shop window, or the way in which they are arranged.
If you refer to something as window dressing, you are critical of it because it is done in order to create a good impression and to prevent people from realizing the real or more unpleasant nature of someone's activities.