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You do not have to know anything about electronics or sound systems to play music-you just buy an iPod or MP3 player , download the music and listen . You do not have to know anything about artificial fibers or the construction of sewing machines if you need a jacket-you just buy the jacket and wear it . You do not need to know anything about internal combustion engines to operate a car-you just get in and drive . Instead of trying to acquire all the knowledge and skills involved in producing all of the goods and services that you wish to consume , the market allows you to learn a specialized set of skills and then use the pay you receive to buy the goods and services you need or want . This is how our modern society has evolved into a strong economy .
Please check all the words that can be used instead of the target word in the same context. Note that the morphology of the target (third person singular, past tense etc.) is considered to be applied to the candidate automatically in the process of paraphrasing.