garbage

garbage in, garbage out

(縮略語: GIGO)used to express the idea that in computing and other spheres, incorrect or poor quality input will always produce faulty output

無用輸入無用輸出; 廢料入廢料出（用于計算機和其他領域，表示錯誤的或質量較差的計算機輸入會導致輸出有誤）