In THREE decades of selling cars in southern California, David Wilson has been through countless ups and downs.

戴维·威尔森在南加州做了三十年汽车销售生意，他经历过无数次市场起落。

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The so-called happiness, is a fool meet a fool, attracting countless people envy and jealousy, ups and downs, flatly light.

⊙、所谓幸福，就是一个笨蛋遇到一个傻瓜，引来无数人的羡慕和嫉妒，风风雨雨，平平淡淡。

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Since then the space program has had nearly countless ups and downs (no pun intended).

FORBES: Man in Space! 50 Years Later

There will be countless ups and downs, and there will be times when you will question whether starting your own business was really worth the sacrifices you are sure to make.

FORBES: So, You Want To Be An Entrepreneur?

The resilient and charismatic leaders of Onyx, Alkermes and Alnylam, who steered their companies through countless ups-and-downs, while creating billions of dollars of shareholder value, were also recognized.

FORBES: Connect