求翻译：姐弟俩原为部分失地农民。高速公路的开工建设为他们的建材生意带来了巨大转机。高速公路各项目部的建材需求刺激了他的生意快速发展是什么意思？

Siblings was originally part of the landless peasants. Started construction of the highway has brought a great turning point for their building materials business. Ministry of demand for construction materials of various highway projects to stimulate the rapid development of his business

These siblings were landless peasants to part. Highway construction in the building materials for their business with great turn for the better. The Department of highway construction projects demand stimulus material had been his business development

The elder sister younger brother originally loses the farmer for the part.The highway operation construction has brought the huge favorable turn for theirs building materials business.The highway various projects department building materials demand has stimulated his business fast development

Sister and brother were both originally part of the land-lost peasants. Highway construction building materials business has brought a huge turning point for them. Department of highway project building materials demand stimulated the rapid development of his business

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