purchasing behavior短语¹⁴⁴⁹⁷²⁺² 基本例句 购买行为 Perceived risk has been considered as the main factor that inhibits consumers online purchase, and reducing perceived risk is an effective way to boost consumers online purchasing behavior. 感知风险是制约消费者在线购物的主要原因,降低感知风险是促进消费者网上购物的有效途径。 cnki