Zhècì 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.