俗话说“条条大路通罗马”，背诵
京沪高铁:Beijing-Shanghai high-speed railway
实名制:real-name system
网上订票系统:online ticket-booking system
打击黄牛:foil/crack down on scalpers
试运行:trial operation
预检:preliminary check
缓解交通:ease the transportation strain
大都市:metropolis
俗话说“条条大路通罗马”，背诵
京沪高铁:Beijing-Shanghai high-speed railway
实名制:real-name system
网上订票系统:online ticket-booking system
打击黄牛:foil/crack down on scalpers
试运行:trial operation
预检:preliminary check
缓解交通:ease the transportation strain
大都市:metropolis