那天它们走了40英里，行程还算内容还算丰富；但是从第二天开始，一直到后来的很多天，他们打破了那种安排，更加努力地工作，休息的时间缩短了。

That day they made forty miles, the trail being packed; but the next day, and for many days to follow, they broke their own trail, worked harder, and made poorer time.

youdao

那天它们走了40英里，行程还算内容还算丰富；但是从第二天开始，一直到后来的很多天，他们打破了那种安排，更加努力地工作，休息的时间缩短了。

That day they made forty miles, the trail being packed; but the next day, and for many days to follow, they broke their own trail, worked harder, and made poorer time.

youdao