并采用数值实例分析了退货率和时间惩罚因子对最优允许退货时间长度、最佳订货量以及最大产品收益的影响。
The influence of return rates and time penalty factors on optimal periods of returns, optimal order quantities and maximum profit are evaluated through using a numerical instance.
因为要寻找退货的信息，退货也可能在仓库中停留相当长的时间，这也是对资源的浪费。
When returns arrive they can take a long time to process as information has to be found about the item and this wastes resources.
顾客有权在一段时间内退货，如果期限已过，也可以换货。 段中be entitled to表示"有权利做某事"，refund表示"退款"。
When a customer is not satisfied with a product, he is entitled to return it to the store and get refunded during a certain period of time.
我方坚持在合同规定时间内装运，如果在本周以前我方仍未能收到这批货物，我方将保留退货的权力。
We must insist on delivery within the time contracted and reserve the right to reject the goods if we fail to receive the goods before this week.
“但是网上购物却不容易做到这点，”陈炜指出，在线退货需要耗费大量的时间和精力。
"But that isn't very easy when it happens online," Chen said, noting that returning a product online can take a lot of time and energy.
您不能退货了，因为距离您的购买日期已经有一段时间了。
You can't return it becasue too much time has passed since you purchased it.
但实际中大多数大型商场都有十分灵活的退货手段，特别是在每年的这个时间。
But in practice most large stores have fairly flexible return policies, particularly at this time of year.
在他们提供给供应链的利益条款中，他们提供给消费者一年一次可退货，或多或少的假期时间包括在进行技术在培训时。
In terms of the benefits that they provide their supply chain, they provide annual retreat for customers, which is more or less holiday time that includes technical retraining.
因为最近订单很多，所以可能需要几天时间。不过我们尽量安排三天之内给您退货。
There has been a large amount of orders recently, so it might take a few days. But we will try to make it within three days.
因为最近订单很多，所以可能需要几天时间。不过我们尽量安排三天之内给您退货。
There has been a large amount of orders recently, so it might take a few days. But we will try to make it within three days.
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