为了缓解急速增长的交通堵塞，北京计划建设世界上最大的地铁并大幅度拓展公交系统。

(1)10 percent of all clothing, accessories and footwear sales are expected to occur online this year, up from 8 percent last year.
(2)Brighter children tend to behave in a healthier fashion as adults—they’re less likely to smoke, less likely to be overweight, less likely to have high blood pressure and more likely to take exercise.
(3)As capital was withdrawn from the region and the exchange rates of the five countries depreciated, or fell, panic set in amongst foreign creditors.
(4)A full-time stay-at-home mother would earn $134,121 a year if pay for all her work, an amount similar to a top US ad executive.
(5)Beijing is planning to build the world’s biggest subway and dramatically expand its bus network as part of efforts to combat the city’s fast-increasing traffic jam.