prepare the ground for
US /prɪˈpɛr ðə ɡraʊnd fɔr/
UK /prɪˈpɛr ðə ɡraʊnd fɔr/

1.
为...奠定基础, 为...铺平道路
to do things that will make it easier for something to happen or for someone to do something in the future
:
•
The negotiations were intended to prepare the ground for a peace treaty.
谈判旨在为和平条约奠定基础。
•
Her early research helped to prepare the ground for major breakthroughs in medicine.
她的早期研究为医学上的重大突破奠定了基础。