The variety of vocabulary
单身人士经济新气象大量高收入者
singles (titles)single-person households (Para. 4)home-aloners (Para. 5)
new economic landscape (Para. 3)new economic climate (Para. 6)
a hefty proportion/percentage of (Para.6/15) a host of (Para. 15)
high/big earners (Paras. 6/8)high-earning singles (Para. 14)