美语听力 English Cafe 276(在线收听

  Topics: Ask an American: Commuting; start versus begin versus start off versus start on; a place to live versus a place to live in; might-have-been
  Words:
  congestion
  central
  public transportation
  to switch over to
  gradually
  rush hour
  peak
  in excess
  air pollution
  fuel
  emissions
  pollutant
  air quality
  to start
  to begin
  to start off
  to start on
  a place to live (in)
  might-have-been

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