a walking trip through Wales的用法和样例：
- Remember how a walking trip always seems shorter if we concentrate not on the total distance of our destination but the distance to the next milepost.
- The fourth death was that of Helmut Simon, the German tourist who spotted the Iceman in 1991 while on a walking trip with his wife.
- Remember how a walking trip always seems shorter if we concentrate , not on the total distance to our destination , but just the distance to the next milepost .
- A trip through the shanty town brought home to me just how poor the people are.