purchase in advance英语标准发音：purchase in advance英式发音：美式发音：翻译中文预购purchase in advance - 基本释义[词典1]预购purchase in advance - WEB词典purchase in advance预购预购事先订货或购买东西system for purchase in advance预收费系统 参考资料： 1.百度翻译：purchase in advance2.有道词典：purchase in advance3.爱词霸：purchase in advance
