购买智能手机考虑的因素

This is a pie chart ， clearly illustrating the striking
contrasts in the primary factors that residents in a certain cityrespectively. Finally come outlook design and after-sales service, at 14% and 3% respectively. Such statistics, apparently, can be associated with the growing popularity and significance of smart phones in people's daily life, but what result in the differences above？
( 可 省 : To my understanding, at least two fundamental reasons can account for this phenomenon.）For one thing, compared with other electronic products, the price of a smart phone is much higher. A case in point is iPhone and its price equals (=means) an ordinary person's salaries of several months. Thus ， price is the first factor that many people consider. For another，most customers are characterized by the fact that they intend to buy low-price and high-quality goods with beautiful outlook and satisfactory after-sale(s) service. Accordingly, it is advisable for smartphone manufacturers to focus more eyesight on enhancing the quality and lowering the price. Meanwhile, they are supposed to work out comprehensive strategies to ensure the outlook design and after-sales service.
consider when they purchase smartphones. Overall（, the）price is the largest proportion（of all factors），accounting for 36%. Then，the next two are quality and brand, with 27% and 20%