By Writing letters, Uncountable nouns

Hi, I got these definitions and one example sentence from my young friend's Collins/Cobuild Compact English Learner's Dictionary and want to know the following. 1. Why the phrase "the type of surroundings" and not "the types of surroundings"? The setting for something is the particular place...

Hi, I got these definitions and one example sentence from my young friend's Collins/Cobuild Compact English Learner's Dictionary and want to know the following. 1. Why the phrase "the type of surroundings" and not "the types of surroundings"? The setting for something is the particular place...