【单选题】The words in brackets in the sentence below have at least two meanings. Look at how they are used and choose the correct meaning. Many companies today are operating on extremely tight (margins ).
A.
the column of space down the side of a page
B.
the difference in the number of points between the winners and the losers of a sports event or competition
C.
the difference between what it costs to buy or produce something and its selling price
【单选题】"Many companies today are localizing their products, advertising, promotion, and sales efforts to fit the needs of individual regions, cities, and neighborhoods." This is an example of ________.
【单选题】Through ________, companies today are strengthening their connections with all partners, from providers of raw materials and components to those involved in the delivery of final goods and services.
【单选题】"Many companies today are localizing their products, advertising, promotion, and sales efforts to fit the needs of individual regions, cities, and neighborhoods." This is an example of ________.