blue-sky
adjective/ˌbluː ˈskaɪ/
/ˌbluː ˈskaɪ/
[only before noun]- involving new and interesting ideas for things which are not yet possible or practical
新颖而未可行的；未能付诸实行的 - The government has been doing some blue-sky thinking on how to improve school standards.
就如何提高学校的水平，政府仍然在作一些漫无边际的构想。 - The laboratory tries to maintain a balance between applied research and blue-sky research.
实验室试图在应用研究和蓝天研究之间保持平衡。 - A team of designers have been briefed to come up with blue-sky ideas to overhaul the company’s image.
一组设计师接到通知，要提出一些大胆的想法来彻底改变公司的形象。
- The government has been doing some blue-sky thinking on how to improve school standards.