输入日期键入单品号检查是否在价格维护期间进货。
Input date agree with item code back-check whether in price stick up for among stock.
他建议从现在开始锁定维护价格。
模型需要维护每种诱饵的几项信息，包括价格、配方、可用性、运送地区和用法。
The model needs to maintain several pieces of information about each lure, including price, configuration, availability, shipping region, and usage.
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