gotten in on

• v. 参加

gotten in on的用法和样例：

例句

1. That man got rich because he got in on the ground floor of the television business.
   那个人之所以致富是因为他最早从事电视事业。
2. Reg had got in on the ground floor, and as the firm had progressed, so had he.
   雷吉参与了这个公司的创办，公司发展了，他也获利了。