in on the ground floor
US /ɪn ɑn ðə ɡraʊnd flɔr/
UK /ɪn ɑn ðə ɡraʊnd flɔr/

1.
從一開始就參與, 在萌芽階段
involved in something from the very beginning, especially a business venture, to gain an advantage
:
•
He got in on the ground floor with the new tech startup and made a fortune.
他從新的科技初創公司一開始就參與,發了大財。
•
If you want to succeed, you need to get in on the ground floor of emerging industries.
如果你想成功,你需要從一開始就參與新興產業。