有人说小学生是最难侍候的，他们总是提些莫名其妙的问题，让一些自以为已洞明世事的大人们不知如何作答；也有人说小学生是最好管理的，因为在他们眼中，大人们是永远不会出错的，他们也多对大人们言听计从......（Some people say that pupils are the most difficult to serve. They always make some puzzling problems, and make some adults who think they are clear of the world not know how to answer. Some people also say that pupils are the easiest to manage, because in their eyes, adults will never be wrong, and they also follow adults' advice...）