#2016年大学英语六级考试标准阅读(19) 搜索结果
WesternairlinermanufacturersseemtobetrippingoverthemselvesintheireagernesstosigncollaborativeagreementswithAsianpartnersasalow-costroutetodevelopingnewairliners.TheirpotentialAsianpartnersseemtobetrippingovert
