亲爱的买家我可以退还这20美金 袋子我不需要你退还我 因为运费是昂贵的希望再次合作能让你满意

上面一看就是机译的
dear,
No problem,I can return 20 dollars to you.I don't need bag back,because the carriage is expensive.I will give satisfaction to you next time.