每日英语早餐20190207：5G来了

本文选自 The New York Times。它由表及里，再推及商用的现状。

5G的全称
fifth-generation cellular networks

语言点

• shift
  见每日一词37号选手shift(n.)

• once-in-a-decade
  十年一遇
  once-in-a-decade 百年一遇

• a matter of
  used to refer to a small amount
  a matter of days/months/years
  几天/几月/几年内
  The crisis was resolved in a matter of a few hours.
  

  
  
  

• 5G的好处：
  faster networks

• let people download entire movies within seconds
• bring big changes to video games, sports, and shopping
• help spread the use of AI and other cutting-edge technologies
• AR/VR

语言点

• leap
  “跳跃”
  leap ahead of: 超越
  Think before you leap.
  三思而后行。
  That's one small step for a man, one giant leap for mankind.
  这是一个人的一小步，却是全人类的一大步。
• edge
  见每日一词33号选手edge。

讲5G在商用领域

语言点

• talk up
  to describe (someone or something) in a favorable way
  The saleperson talked up the car's safety features.

• race to do sth
  “争先做某事”
  They raced to get the job finished by lunchtime.

• follow suit
  to do the same thing that someone else has just done
  After one airline lowers their fares, the other airlines usually follow suit.