When you take children to other kinds of stores, explain how to plan purchases in advance and make unit-price comparisons.

当你带孩子去其他类型的商店时，解释如何事先计划所买的东西和如何做单价比较。

Alternatively, if the seller has set a minimum sale price in advance (the 'reserve' price) and the final bid does not reach that price the item remains unsold.

或者，如果卖家已经提前设定了最低售价(“保留价”)，而最终的竞价没有达到这个价格，拍卖品则不出售。

When demand increases in advance of an increase in supply, failure to raise price results in buyers\' incurring cost in the form of delay rather than in the form of a higher price.

当需求的上升超过供求的上升的时候，提价的失败导致消费者以延迟的形式而不是高价格的形式遭受损失。

U.S. customers booking a hotel room anywhere in the world 61 days in advance of March 16 through March 30 were quoted an average price of $160.

预订世界任何一地酒店客房的美国客户，在3月16日至3月30日提早61日预订，平均报价为160美元。

The ARC said that booking well in advance is best advised for busy routes or long haul flights, as the price only tends to go up.

航空公司报告委员会说，在航线繁忙或长途飞行的情况下，最好是提前一大段时间订票，价格越往后只会一直往上涨。