基本解釋[經(jīng)濟(jì)學(xué)]塑料棋子英漢例句雙語(yǔ)例句Checker: Good afternoon, ladies. Paper or plastic?女士們，下午好。要紙袋還是塑料袋？plastic checker更多例句專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)塑料棋子