To prove that factor a has no effect whatever on outcome b may be important in the sense that it refutes a hypothesis.

证明因素 a 对结果 b 没有任何影响可能是重要的，因为它驳斥了一个假设。

youdao

This medicine has no effect on his illness.

这种药对他的病没有效果。

youdao

It has no effect on this data extraction operation.

它不会对此数据提取操作造成影响。

youdao

The sanguine point out that this has no effect on cashflow, since such charges are non-cash items.

ECONOMIST: Companies that paid too much for a competitor count the cost

Neglecting the maintenance of the arsenal either has no effect, in which case it is a sham.

CENTERFORSECURITYPOLICY: Test-Ban Trap

But the two countries have worked together to ensure the dispute has no effect on investment and trade.

ECONOMIST: Border disputes