set-out of plum rains

例句：

1. 1. They set out on a journey to explore the new city.
   他们出发去探索这个新城市。
2. 2. The team set out early in the morning to reach the destination before sunset.
   队伍一大早出发，要在日落前到达目的地。
3. 3. She set out to find a solution to the problem.
   她开始寻找解决这个问题的办法。