Do as you would be done by Was du nicht willst, dass man dir tu, das füg auch keinem andern zu Do unto others as you would have others do unto you There's no time like the present Was du heute kannst besorgen, das verschiebe nicht auf morgen They are different in the use of prepositions which are omitted in the structure of was meinst du? but we can use this adverb structure to make clear which one we mean
Emphasizes the thinking process or belief (“what do you think/consider?”) Often they overlap, but if you want to stress “opinion” use meinen You can also add dazu for “about it” / was denkst du dazu?. Ich könnte mir vorstellen, diese reihe fortzusetzen Translate was meinst du dazu from german to english with the world’s most accurate translator