The return of a portion of the output of a process or system to the input, especially when used to maintain performance or to control a system or process.
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1. consumer feedback (¼ÒºñÀڷκÎÅÍÀÇ ¹ÝÀÀ) 2. use the feedback from an audience survey (½ÃûÀÚ Á¶»çÀÇ °á°ú¸¦ ÀÌ¿ëÇÏ´Ù)