词汇	轻便椅子
释义	轻便椅子 lightweight chair轻便
随便看	Perceived risks perceived role perceived safety in online tansaction perceived salience perceived self perceived self-efficacy perceived self-efficacy of learning perceived service quality perceived severity perceived similarity perceived social acceptance perceived social norm perceived social support perceived sounds perceived stress perceived supervisor support perceived supervisory social support perceived susceptibility perceived susptibility perceived temperature perceived threat perceived threshold contrast perceived unfairness perceived usefulness perceived usefulness in online transaction