单项选择题According to the Velen model, the middling sort of customers bought luxury goods to______.
单项选择题In the first paragraph, the author mentions McKendrick and Plumb most probably in order to ______.
单项选择题Concerning the answer to who the consumers were, the writer of the passage seems to______.
单项选择题Why can't writers for GQ use the same methods as writers for newspapers
单项选择题The writer likens GQ magazine to a person who ______.