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				           		一百年前,罗伯特·弗尔肯·斯科特之所以失败而罗尔德·阿蒙森之所以能成功在一定程度 上是由于阿蒙森知道何时退缩。
						        					            	 A century ago Scott lost and Amundsen won—partly because he knew when to turn back.
								    										 
								    				            	 youdao 
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				           		一百年前,罗伯特·弗尔肯·斯科特之所以失败而罗尔德·阿蒙森之所以能成功在一定程度 上是由于阿蒙森知道何时退缩。
						        					            	 A century ago Scott lost and Amundsen won—partly because he knew when to turn back.
								    										 
								    				            	 youdao