What's the meaning of "between them"?

Tencent and Alibaba, an e-commerce behemoth, have between them lost $340bn in market value since the crackdown began late last year.

Question

What's the meaning of "between them"?

Tencent and Alibaba, an e-commerce behemoth, have between them lost $340bn in market value since the crackdown began late last year.

Answer

It means that the total amount Tencent and Alibaba have lost is $340bn in market value.

Answer

自从去年年底开始打压以来，腾讯和电子商务巨头阿里巴巴的市值一共蒸发了 3400 亿美元。

together