[经] non-fraudulent defects in performance of sales contract

zhí xíng xiāo shòu hé tóng zhōng de fēi qī piàn de quē diǎn ㄓˊ ㄒㄧㄥˊ ㄒㄧㄠ ㄕㄡˋ ㄏㄜˊ ㄊㄨㄥˊ ㄓㄨㄥ ㄉㄜ˙ ㄈㄟ ㄑㄧ ㄆㄧㄢˋ ㄉㄜ˙ ㄑㄩㄝ ㄉㄧㄢˇ