No enterprise can exist for itself alone. It ministers to some great need, it performs some great service, not for itself, but for others; or failing therein, it ceases to be profitable and ceases to exist - Calvin Coolidge, the 30th President of the U.S.
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ħ˽ӱ˷֯е޹˾ǽ̱֯֯�ë̺֯֯ɴȲƷרҵӹ˽Ӫҵ,˾۲ڱгϴ47Ű15,ӱ˷֯е޹˾ӵѧϵӱ˷֯е޹˾ijšħ˽ʵͲƷҵϿɡӭݰٺӱ˷֯е޹˾ιָۡҵǢ̸
ICP16018242-2