I do think there are advantages to schools with more recognition, notes Marybeth Gasman, a professor of higher education at the University of Pennsylvania.
2018年6月六级真题（第三套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
N-COUNT
煤气公司工人；煤气收费员；煤气抄表员；煤气设备维修工
The gasman is a man who works for a gas company, repairing gas appliances in people's houses, or checking how much gas they have used.