afewthousandyears還是afewthousandsof

是a few thousands of ，例如：

1、It` s funny people making a few thousands of yuan a month worry about the livelihood of those making hundred times more.月薪只有幾千元的人去擔憂那些收入超過他們幾百倍的人的生活，這很滑稽。

2、Testimonials from a few of our thousands of satisfied clients.推薦幾個從客户滿意我們的數千人。