Nguồn tin: nguontinviet.com
"Letting your customers set your standards is a dangerous game, because the race to the bottom is pretty easy to win. Setting your own standards--and living up to them--is a better way to profit. Not to mention a better way to make your day worth all the effort you put into it."
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TiengAnhVui.Com
Sunday, 9 August 2015
Seth Godin
23:46
Tieng Anh Vui
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