本文作者： Li Jun, 21ST

VIP教师会员和本期电子版订户登录后下载

SHE'S sitting in front of her new Dell laptop, a headset on her head and microphone near her mouth, talking excitedly with a former classmate who's now studying in the UK. Zhang Mei, who graduated a year ago in computer science, is making a telephone call, but not by a traditional phone...