评论
打印
17.
M: You’re on the right track. I just think you need to narrow the topic down.
W: Yeah, you’re right. I always start by choosing two boarder topics when I’m doing a research paper.
Q: What do we learn from the conversation?
n. 小路，跑道，踪迹，轨道，乐曲
v. 跟踪
