A two-paragraph summary of each paper should be turned in at the beginning of each class.
每堂课开始时要上交对每篇论文的两段摘要。
2
Next, draft a one- or two-paragraph summary describing the current situation, what will change with the proposed system, and how the financial benefit was calculated.
接下来，草拟一两段文字概括当前形势，计划的系统会带来哪些改变，以及财务收益是如何计算的。
3
The printer has left out two lines from this paragraph.