Wouldn't this be more accurately translated as "The elephant drinks milk?"
Yes but the contributors have an obsession with adding articles where they shouldn't be in English. In this case both translations are fine. :P
I love you dolingo
How come "Con voi uong cai sua" doesn't work?
it isnt right because "sữa" is an uncountable noun, so you cant use "cái" in this case. You can use "cái" with only countable nouns.
Ex: cái bánh (the cakes), cái gối (the pillows), cái xe đạp ( the bicycles),...