Overseas investment has had a positive effect on exports.

海外投资对出口有积极影响。

《牛津词典》

The parting from his sister had a positive effect on John.

和姐姐的分开对约翰有积极的影响。

《柯林斯英汉双解大词典》

If this had a positive effect on our health this of course would be no problem.

如果这对我们的健康有一个积极的影响，这当然没有问题。

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Most politicians in Lincolnshire believe that migrant workers have had a positive effect on the county's economy.

BBC: Cameron says British workers should replace EU migrants

In this, too, California seems to have had a positive effect.

ECONOMIST: California��s power crisis

"There have been signs that these measures have had a positive effect in some submarkets where Chinese buyers have shown a particular interest, " Mr. Loizou said.

WSJ: A Bright Spot in Cyprus