Hi, I would like to know if there's any difference when I say,for example: "A jug of milk" and "A milk jug" "A cup of water" and "A water cup" Here's the difference. a jug of milk - there is milk in the jug a milk jug - a jug used to contain milk. Sometimes there is milk in it, sometimes there isn't.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.