Several states later I was still thinking about the hitchhiker.

驶过几个州后，在想着那个搭便车的者。

In 2015, Canadian researchers sent a robot hitchhiking across the US. It didn't get very far.

2015年，加拿大研究人员派一个机器人在美国搭便车。 它没有走多远。

Any advice if I were to take a road trip again or if somebody else is thinking of hopping on a freight train or hitchhiking?

- 如果再打算来一次公路，者有人想搭货车上路搭便车，有什么建议吗？

My brother, when he was 17 or so, he just decided to go hitchhiking and he hitchhiked down to Reno from Idaho where we were and ended up loving traveling but hated being dependent on other people.

- 弟弟在他十七岁左右的时候，决定去搭便车，他从们所在的爱达荷州一路搭便车到里诺，最后他很喜欢，但讨厌依赖别人。