As a business value-added activity, the extent of internal auditing is constantly expanding, in such ways as financial audit, performance audit, assessment services, and new staff training and so on.

作为增加企业价值的一种活动方式，内部审计业务范围在不断拓展，比如财务审计、业绩审计、评估服务及新进员工培训等。

youdao

If they then start to actually use that investment in some productive way that pays wages and earns a profit, then they start to generate additional value-added from that activity, and that value-added continues to be created as long as they keep doing that productivev activity.

FORBES: Investment and Technological Progress

It is the value added through economic activity.

FORBES: GDP For a Country is Not the Same Thing as Turnover for a Business

Most of the brainy or so-called added-value activity still takes place at Longbridge.

BBC: Chinese Premier backing the euro and the UK