What is the difference btw the srtructure ADJ+NOUN and NOUN + NOUN? I can't distinguioh their use.<br/><br/>I can't distinguih the difference btw: <br/><br/>a/ industrial production and industry production.<br/>b/ cultural house and culture house.<br/>c/ advantageous competitor and advantage competitor.<br/>....<br/><br/>Could you tell me when Ishuol use NOUN+NOUN, when I shoul use ADJ ? (at least with these 3 cases)<br/><br/>Thanks<br/>Q