in preference to意思是“而不是”,这是一个介词短语,在句子中可以充当状语.如:
I'd choose the small car in preference to the larger one.
我宁可选择那辆小的汽车而不要那辆大的.
She chose to learn the violin in preference to the piano.
她愿学小提琴而不学钢琴.
I would usually choose Chinese food in preference to western food.
较之西餐我通常选择中餐.