城市越大环境保护措施越为严重的翻译：Greater city environmental protection measures more severe 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

The larger the city environmental protection measures for the more serious

Greater city environmental protection measures more severe

City macroenvironment protective measures for serious

The higher the city environmental protection measures for the more serious

Greater city environmental protection measures more severe