然后面临的困难是坑坑洼洼、起伏不平的道路（到达桑托斯港口80%的货物由卡车而不是火车运输）。

Then it faces a bumpy journey on potholed roads (80% of the cargo arrives in Santos by lorry rather than by rail).

youdao

如果是那样的话，人生就变成了一条笔直的道路，事实上，我们所经历的人生都是跌宕起伏、高低不平的，对吧?

If they did, life would be a straight road instead of one with hills and valleys, ups and downs, right?

youdao