1.How much should I pay for the around-trip ticket ,sir?

问题描述:

1.How much should I pay for the around-trip ticket ,sir?
(another) 80 dollars,please.
为什么这里不用all?
2.I am hungry.I would like to have (some) nice to eat
为什么不能用something?
would like 是想要的意思吗

第一题他问的是要为世界旅游的票付多少钱,故可以直接回答钱的数目,并不需要什么all.
第二题,thing在这里应该是省略了.不过我也不太清楚..不想误人子弟...