英语听力精选进阶版 13986（在线收听）

Holiday congestion in China

Vocabulary

went viral

spread quickly

snaking

twisting around

vast

great, big

overwork

exhaustion (from working too much)

unprecedented

that has never happened before

entitlement

something you have a right to have or do

enforced

imposed

shut down

stopped working

appeals

requests

strain

pressure