Youth means a temperamental predominance of courage over timidity,of the appetite for adventure over the love of ease.This often exists in a man of 60 more than a boy of 20.Nobody grows old merely by a number of years.We grow old by desering our idea.是什么意思_Youth means a temperamental predominance of courage over timidity,of the appetite for adventure over the love of ease.This often exists in a man of 60 more than a boy of 20.Nobody grows old merely by a number of years.We grow old by desering our idea.在线翻译_英语_读音_用法_例句