take the cream, discard the dross (political and educational slogan) / keep what is good, discard the rest / You need to be selective when studying. / In modernizing the country, don't accept uncritically all foreign ideas.
to go / to go to (a place) / (of a time etc) last / just passed / to send / to remove / to get rid of / to reduce / to be apart from in space or time / to die (euphemism) / to play (a part) / (when used either before or after a verb) to go in order to do sth / (after a verb of motion indicates movement away from the speaker) / (used after certain verbs to indicate detachment or separation)