yán / jiū / rén / yuán / tōng / guò / wèn / juàn / jié / guǒ / tuī / gū / xiāo / fèi / zhě / de / gòu / mǎi / yì / yuàn研究人员通过问卷结果推估消费者的购买意愿。Researchers estimated consumers' willingness to buy from the survey results.