Zhè cì hézuò wèi shuāngfāng wèilái de fāzhǎn pūpíng le dàolù.
This cooperation paved the way for the future development of both sides.
Tips
usage
铺平道路 (pave the road flat) is a very common figurative phrase meaning to lay the groundwork or clear the way for something. The literal sense refers to physically leveling a surface.