求翻译：Teaching is a very complex job, good teacher plays different roles for students besides teaching: they make friends with their students; they have to learn from a variety of models, play role model for their young pupils; they have expectations of success for all students just like their parents do.Teacher should have a sense of purpose, they will demonstrate a willingness to adapt and change to meet student needs; they have to reflect on their work, they are very open people, and they always have strong curiosity on development of the society ,they keep up with the new thing, that make their lesson more interesting and creative.是什么意思？

待解决 悬赏分：1 - 离问题结束还有