给你一首诗YOUTH POEMBy:Samuel UllmanYouth is not a time of life - it is a state of mind,it is a temper of the will,a quality of the imagination,a vigor of the emotions,a predominance of courage over t... 给你一首诗YOUTH POEMBy:Samuel UllmanYouth is not a time of life - it is a state of mind,it is a temper of the will,a quality of the imagination,a vigor of the emotions,a predominance of courage over t...