On Youth and Old Age的意思|示意

On Youth and Old Age, On Life and...

论青年和老年，论生与死，论呼吸。

To base on the age of consumer, sporting goods can be divided into the following categories:children's sporting goods market, youth sports market and the old sporting goods market.

以体育用品消费者的年龄为依据，可以将体育用品分为以下几类，儿童体育用品市场、青少年体育用品市场和中老年人体育用品市场。

For example, the Old Man and the Sea is a meditation upon youth and age, even though the protagonist spends little or no time thinking on those terms.

比如，《老人与海》是是关于对年龄的思考，但作品中的主要人物并没有在这个问题上花费什么时间。

A new survey compiled for the University of Kent and the charity age Concern showed ageism was rife in Britain where people, on average, see youth as ending at 49 and old age beginning at 65.

一份为肯特大学和“老年问题”慈善机构进行的调查显示英国普遍存在对老年人的歧视。在英国人们普遍认为到49岁就不再年轻了，而65岁是步入老年的标志。