1. The Colorado Motor Carriers Association represents 450 trucking companies across the state. 科罗拉多汽车运输协会代表了该州450家卡车运输公司。
2. The American Trucking Association lists approximately 3.5 million professional truck drivers in the U.S. 美国卡车运输协会名单上列出了美国大约350万职业卡车司机。
3. The American Trucking Association lists approximately 3.5 million professional truck drivers in the U. S. 经美国卡车运输协会统计，美国大约有3500万专业卡车司机。
4. Many middle-class occupations—trucking, financial advice, software engineering—have aroused their interest, or soon will. 许多中产阶级的职业，如卡车运输、金融咨询、软件工程已经引起了他们的兴趣，或者很快就会引起他们的兴趣。
5. But many middle-class occupations—trucking, financial advice, software engineering—have aroused their interest, or soon will. 但是许多中产阶级的职业，包括卡车运输、金融咨询、软件工程等，已经或者很快会引起他们的兴趣。
