Thus the miners' old work pants gradually have become more and more varied and today怎么翻译?

问题描述:

Thus the miners' old work pants gradually have become more and more varied and today怎么翻译?

因此现在矿工旧的工作裤渐渐变得越来越多样化

因此,这些矿工破旧的工装裤到如今,就渐渐地变得越来越多样化了。。
这里应该讲的是,牛仔裤的由来及演变吧?

这样,矿工们的旧工装裤的式样就越来越多样化,如今.(原文没给全啊)