This could cause serious damage to the country's economy.

这可能对国家的经济造成严重破坏。

This severe bout of illness has done serious damage to his health.

这场大病损伤了他的体力。

The flood caused serious damage to the crops.

洪水对农作物造成了严重的损害。

The flood caused serious damage to the crops.

洪水对农作物造成了严重的危害。

If the serious damage to the natural environment.

如果自然环境受到了严重损害。