Note how people can be referred to in different ways than in English:

1. “Teacher” is a title in Chinese, just like “Doctor” is in English: 现在请杨老师先给我们上一课故事的简介.

2. Mike is referred to as “Mr Mike” in the story, since we don’t know his last name. 小李发现麦克先生要在他的学校上班.