| 单词 | blue-sky |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔blue-sky〕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构想。牛津高阶The government has been doing some blue-sky thinking on how to improve public transport.政府正在开拓新思路，考虑如何改善公共交通。牛津商务 |
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