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<p>In my younger and more vulnerable years my father gave me some advice that I've been turning over in my mind ever since.</p>17
<p>'Whenever you feel like criticizing anyone,' he told me, 'just remember that all the people in this world haven't had the advantages that you've had.'</p>18
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<p><b>注意: </b>使用 margin:auto 无法兼容 IE8, 除非 !DOCTYPE 已经声明.</p>20
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