Women should fight the high heel industry by refusing to use or purchase them in order to save the world from unnecessary physical and psychological suffering.

女性应通过拒绝使用或购买高跟鞋来对抗高跟鞋行业，以使世界免于不必要的生理和心理痛苦。

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Conceptually, e-commerce does not differ from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier via fax.

从概念上讲，电子商务与众所周知的商业服务并无不同，后者的服务包括像电话银行、“邮购”目录，或通过传真向供应商发送采购订单等。

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We have tried to keep the purchase order table schema simple in the relational-only database by storing the purchase order document as a BLOB.

我们已经通过将采购订单文档存储为 BLOB，在基本关系数据库中尽量保持采购订单表模式简单。

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People spend hours analyzing their next purchase by comparing quality and prices in order to get the very best deal possible.

FORBES: Seller beware: don't give away the store when selling

To the extent applicable, Corporate Subscription billing cycles and terms of cancellations may differ and would be governed by the terms set forth in the Corporate Subscription Purchase Order.

NEWSWEEK: Terms of Sale

Investors initiated long-term optimistic stances on the stock by selling put options in order to finance the purchase of call options in the January 2011 contract.

FORBES: Digging Arch Coal In The Options Pits