one day
After a boring Sunday, on Monday I went to China Aviation Museum to know more knowledge about plane. To avoid write a streamy essay, I only write some details I think important. We changed bus in sand river (sha he) where it is said a beihang...
attitude
Do you find a problem that people always find problems and try to solve them after the problems get bad .For example, a machine broke down and then the engineer fixed it .One person who contributed to human or one wonderful person’s work wasn’t...