煤、天然气仅够开采200-300年。的翻译：Mining of coal, natural gas is only enough 200-300. 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, natural gas is only enough for mining 200-300.

Mining of coal, natural gas is only enough 200-300.

The coal, the natural gas only suffice to mine for 200-300 year.

coal, natural gas is mined 200 - 300 years.

Mining of coal, natural gas is only enough 200-300.