表达 “get in on the ground” 用来表示 “从一开始就参与某个项目或计划，从而取得有利地位”，通常用在商业领域，有 “抢占先机，先下手为强” 的意思。

• She invested in the company at the start, and now she’s incredibly wealthy. She made the right decision to get in on the ground floor!
  她从一开始就投资了那个公司，如今十分富有。她当初决定抢占先机实在是高瞻远瞩！
• He wanted to get in on the ground floor so that he could direct the project the way he wanted.
  他想抢占先机，这样就可以按照他的意愿指导那个项目。
• Don’t miss out on this opportunity – get in on the ground floor.
  不要错过这个机会，要先下手为强。