他们虽对城镇的交通运输发挥着重大的作用，但自己的工作与生活却极其艰苦与困窘。
Though they made great contributions to the transportation of cities and towns, their work and life were extremely hard and miserable.
他们虽对城镇的交通运输发挥着重大的作用，但自己的工作与生活却极其艰苦与困窘。
Though they made great contributions to the transportation of cities and towns, their work and life were extremely hard and miserable.
应用推荐