1920, in the electronics sense, "the return of a fraction of an output signal to the input of an earlier stage," from verbal phrase, from feed (v.) + back (adv.). Transferred use, "information about the results of a process" is attested by 1955.
雙語例句
1. It would monitor traffic flows and provide feedback to motorists.
它能監控交通狀況，然后給司機提供反饋信息。
來自柯林斯例句
2. I'd appreciate some feedback on my work.
如果有人對我的工作提出意見我將感激不盡。
來自《權威詞典》
3. The process is essentially dynamic with ideas and feedback flowing both ways.
這個過程本質上是動態的,有各種建議與反饋的雙向交流.
來自《簡明英漢詞典》
4. The more feedback we get from viewers, the better.