Julia works at Mandarin Inn as a senior teacher. Like many people who major in foreign language, she had been working in foreign-owned enterprises after graduation. What made her switch to teaching Chinese as a foreign language?

 李老师是Mandarin Inn的对外汉语高级教师，和许多外语专业的学生一样，毕业后她一直在外资公司工作，那么是什么让她转行对外汉语教学的呢？