We thought we would see differences based on the housing types, said the lead author of the study, Julie Robison, an associate professor of medicine at the university.
出自-2016年6月阅读原文
"We thought we would see differences based on the housing types," said the lead author of the study, Julie RoBison, an associate professor of medicine at the university.
2016年6月四级真题（第三套）阅读 Section B