have come a long way
US /hæv kʌm ə lɔŋ weɪ/
UK /hæv kʌm ə lɔŋ weɪ/

1.
取得長足進步, 大有進展
to have made significant progress or improvement over time
:
•
The company has come a long way since its humble beginnings.
這家公司從最初的默默無聞取得了長足的進步。
•
You've really come a long way with your English skills.
你的英語水平真的進步很大。