There are thousands upon thousands of people making a good amount of money online.

成千上万的人在网上发着财。

youdao

One single sputum contains thousands upon thousands of germs and viruses. How many people in Beijing?

一口痰就含有成千上万的细菌和病毒，北京有多少人？

youdao

Only by manually weaving together thousands upon thousands of carefully placed words does the full picture of the city emerge.

这些成千上万的字母在手工的编织下展现了这座城市的全部面貌。

youdao

He and his family wrote literally thousands upon thousands of letters.

他和他家人互通了上千封书信

耶鲁公开课 - 美国内战与重建课程节选

Every year surgeons perform thousands upon thousands of questionable or unnecessary procedures on unwitting patients.

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There are thousands upon thousands of ETFs and they structure themselves in all sorts of ways.

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This is rigorous, but it turns out this is how people met for thousands upon thousands of years.

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