"The customer is always right" is a motto we hear often and it suggests that consumers only have rights and businesses only have obligations. That is wrong. Dennis Prager explains that customers, too, have obligations, and should never take up a salesperson's time to inquire about an item they know they'll purchase elsewhere. In 5 minutes, learn how to shop ethically. https://www.youtube.com/watch?v=AEMd6NDT5Z8 去實體書店選書，然後去網路書店下單，其實有點不太對。 -- 台灣最大慈善團體的驚人黑幕！https://www.youtube.com/watch?v=2ooh68NL74o --

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