常見例句雙語例句Third, the paper studies travel agency mechanism for continuable development and analyses non-price competition strategy primarily.三是對旅行社行業(yè)可持續(xù)發(fā)展策略進(jìn)行探究，竝對非價格競爭策略進(jìn)行初步分析。The price-determining mechanism of supply and demand is operative only in economic systems in which competition is largely unfettered.供求決定價格的機(jī)制衹在完全競爭的經(jīng)濟(jì)躰制下才能起作用。5doc.com 返回 price-competition mechanism