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Ethan Perez——Works at the International Renewable Energy Agency, Lives in Abu Dhabi, UAE.
Courtesy means being polite and treating others with equal respect as you would treat yourself. ... The problem with common
courtesy is that it is easily forgotten by people. So little effort is required to be courteous; actually, it takes less effort and energy to be courteous than to be brusque.Sep 24, 2010
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