you can be written off or revered.这句话什么意思？

这句话我从英文版的《国家地理》上看到的。
原文是这样的："In some parts of the world age is a barrier,in others an advantage. You can be written off or revered."
其他内容都可以理解的，只是不知道这里的write off 什么意思。

when can I come for the photos? --they should be ready by 12o`clock. You can __us,sir you can be jast want you wand be you can be just what you wanna be求歌名 Golfing can be good for you You can never be too careful.翻译 Can you be more specific?什么意思 选择：You can never be _____. You must be can do it you can always be rich in love. you can be my nigga 这首歌哪下啊??