芦苇，灯笼，笑颜，和一个梦。

Reed, Lantern, smile, and a dream.

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在一个实验中，研究人员开发了一个应用程序来分析白日梦和幸福之间的关系。

For one experiment, researchers developed an app to analyze the relationship between daydreaming and happiness.

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我曾经做过一个梦，在梦里水稻和高粱一样高。

I once had a dream, in which I saw rice plants as tall as sorghum.

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