for years idiom          
B1 很久,好长时间
for a long time
  Rachel and I have been going there for years. 雷切尔和我多年来常去那里。 
  (also in years)很久以来 
since a long time ago
  I haven't seen my uncle for/in years. 我很长时间没见到我舅舅了。 
 
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