He has a proven track record in marketing.

他有可靠的销售业绩记录。

I have a proven track record of success.

我有成功的经验。

Proven track record of product development.

真实的过往产品研发记录。

Standards: A proven track record of high ROI

标准：实践证明的高 ROI

I need a stockbroker with a proven track record.

我需要一个有良好投资纪录的股票经纪人。