“ NO,I don`t think so”这句话什么意思呢？

Question

A: canned juice or fresh juice? B:fresh, plesase. A:Anything else? B: NO,I don`t think so. I am putting on weight. “ NO,I don`t think so”这句话什么意思呢？

Answer 1

意思是我不需要，或者翻译成这个就足够了，这个要根据句子整体语境来翻译。

Answer 2

意思就是no，只是委婉的表达，“我还是不要了吧”，别想太深.追问

so 在这里是代词吗？代替什么呢？