1. Bargain books are top quality publishers overstocks and out of print titles that we purchase in bulk quantities and offer to our customers at deeply discounted prices.
出现在折价书底边缘的轻微的黑道标志或记号表示这些是库存过多，不可以原价销售。
2. Companies that must determine well in advance of the selling season how many units of a new product to manufacture often underproduce products that sell well and have overstocks of others.
中间做到20题那阵的那个阅读，太难了，读不懂，关于印度那片的文字，大概说的是就是科学有这种文字的资料，但不多。
3. Overstocks: arises when our inventory is too high, and needs to be drastically reduced-always first hand quality.
清仓：当库存出现积压时需要减少库存量，也是一手的品质。
4. If stocks are above threshold, then using promotional policy to promote overstocks'product, which makes inventory cost go down and get minimal inventory total cost.
若库存量高于阈值，在模型中采用推销策略将积压的产品推销出去，使得库存成本下降，求得库存总成本最小。