春运:
② Spring Festival travel season
例句：
The Spring Festival travel rush is famously known as the largest annual migration/maɪˈɡreɪʃn/ on earth.
春运是地球上最大规模的年度迁徙。
抢票:
Snap up tickets
例句：
It’s difficult to snap up tickets during the Spring Festival travel season.
春运期间，火车票非常难买。
黄牛、票贩子:
Ticket scalper/ˈskælpər/
例句：
I was forced to buy the ticket from scalper last year.
我去年就被迫向黄牛党买票。