fruitfully
🇺🇸
/ˈfruːtfəli/
🇬🇧
/ˈfruːtfəli/
in a way that is productive and leads to good results
They have been working together fruitfully for years, creating many successful projects.
他們多年來一直富有成效地合作,創造了許多成功的項目。