学习英文-学以致用。
场景说明
美国的课程（这里是指大学University）通常是很严格的，美国的大学也是宽进严出，想得到一个高分，要很努力的去学习。通常要做很多的沟通，交流。
场景对话
同学与教授
DaLiang: Dr. S, Could you spare me sometime? I want to talk to you ? S 博士，您有时间吗？我需要和您做个沟通
S: Yeah, go ahead. 是的,可以的。
DaLiang: How could I get a higher grades in the course? 怎样才可以得到好的成绩呢？
S: Oh, you should work harder. 你要努力学习
DaLiang: Yeah, But what’s difference between the course in China and the USA? 比较美国与中国，课程上有什么不同吗？
S: You need corporate with others, talk with others a lot. 需要与其他同学多合作与交流
同学与同学
Ric: What courses did you enroll in? 你选了哪些课？
DaLiang: The course name is Cloud computing. 选了云计算课程
Ric:Oh, it’s really cool. I enrolled in too, dit you attend today? where did you sit? 我也选了,今天你去上课了吗？你坐在哪里了？
DaLiang: I sit in the first row. 我坐在了第一排。
Tips
在美国，老师通常有多个称呼，teacher, instructor, advisor(研究生导师)，对比为：
teacher is one who teaches you about a subject and helps you reach understanding and an instructor is one who instructs you on how to accomplish a task.
