中产
5.Studies on Wool Production Characters in Systematic Selection一breeding of Wan Ⅲ Angora Rabbit
6.Selection and Identification of Aroma Producing Staphylococci from Hunan Traditional Bacon
7.Like much of the West, its first growth spurt followed the Civil War.
8.The flight to suburbia lessened the number of middle-class families living within the city.

9.The word "gentrification" conjures up images of once-poor urban neighborhoods invaded by cappuccino bars and million-dollar condos.
10.In the Occident, major social communities participating in sports also belong to the class above the middle class all the time.

