Sentence:  If anything may be predicted in the quicksilver <WSD>world</WSD> of retailing , it seems likely that the suburban branch will come to dominate children 's clothing ( taking the kid downtown is too much of a production ) , household gadgetry and the discount business in big-ticket items . 
Meaning of the word marked with <WSD> tags:  people in general; especially a distinctive group of people with some shared interest