They built roads for the army, but of course other people used the roads too.

他们为军队修建大路，当然其他人也能用路。

耶鲁公开课 - 新约课程节选

And you could build barricades across smaller streets, but not across big boulevards, and that was part of the rebuilding of Paris in the 1850s and '60s, more about that in a minute and much more about that later, because it's fascinating; at least, I think it's fascinating.

但街垒只适用于小巷,对于大路就不那么适用了,修街垒也算是巴黎十九世纪五六十年代重建的一部分,这个问题我们以后再谈,因为它引人入胜,至少我觉得如此

耶鲁公开课 - 1871年后的法国课程节选