煤在国计民生中起着重要作用。的翻译：Coal plays an important role in people's livelihood. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Coal plays an important role in the national economy.

Coal plays an important role in people's livelihood.

The coal is playing the vital role in the national economy and the people's livelihood.

coal plays an important role in people's livelihood.

Coal plays an important role in people's livelihood.