作者：Zhang Xuelun, The High School Affiliated With Renmin University
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今天的幸福来源于先辈们不懈的努力。
WHEN you’re walking among the skyscrapers (摩天大楼) in Beijing, China’s capital, you’re likely to gaze (注视) up and let out a big “wow”. But do you ever think about the stories behind the magnificence (宏伟)?
