1. He comes from a family of railroaders, so it was natural for him to pursue a career in the railway industry.
他来自一个铁路工人家庭，因此选择在铁路行业发展职业是很自然的。

2. My grandfather was a dedicated railroader who spent his whole life working on the railroad tracks.
我的祖父是一位敬业的铁路工人，他一生都在铁路上工作。