Examples of using "совершенствовать" in a sentence and their english translations:
so that we can refine our political choices,
That's the true genius of America; that America can change. Our Union can be perfected. What we've already achieved gives us hope for what we can and must achieve tomorrow.
The theory of games shows that what we name "moral principles" are no other than the strategy elements enabling the group to optimise its survival. Men like to dress their eagerness under the guise of charity.