Then I say to Lucy, " Now are you ready to leave? " Lucy says, " I guess so." " I guess so" means yes, but it's said when either you're not sure or perhaps you're not very enthusiastic about something.
然后我对露西说, “现在你准备好离开了吗? ” 露西说,“我猜是。” “我猜是” 的意思是是,但当你不确定或者你不太心时会说关于某事。