It is a present, not a purchase.

这是人家送的，不是买的。

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If you are not satisfied with your purchase we will give you a full refund.

所购之物若不合意，我们将全额退款。

《牛津词典》

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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High-end advertisers will also attempt to emphasize long-term value--such as suggesting that a watch is not just a purchase for today, but for years to come.

FORBES: Don't Skimp On Ad Budgets

Of this group, 59 percent say they did not make a purchase due to the amount of money or available credit in their bank account.

FORBES: Smart Phones Helping Consumers Manage Their Money

On the flip side, the fiscal cliff is taking its toll on these companies, specifically by harming consumer confidence and possibly pushing some to not complete a purchase.

FORBES: Hurricane Sandy Boosts Detroit As November Auto Sales Hit 5 Year Highs