2--Why?
 
1--Because you get to meet a lot of people.
 
2--You sure do.
 
1--And you get a lot of exercise every day.
 
2--That's the truth.
 
1--And you get to play with a lot of dogs.
 
2--Well, you're supposed to be working.
 
1--Yes, but I will always pet the friendly dogs.
 
2--What about the unfriendly dogs?
 
1--I think if you are friendly to dogs, they are friendly to you.
 
2--Dogs are like people-not all of them are friendly.
 
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注解：
 
1.mail carrier邮递员  
2.supposed to应该   
3.unfriendly不友好的

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译文：

1--我长大后想成为一名邮递员。
2--为什么？
1--因为你会遇见很多人。
2--你肯定会。
1--你每天会锻炼很多。
2--那确实。
1--你会和很多小狗玩。
2--好吧，你应该正在工作。
1--是的，但是我总是宠爱友好的小狗。
2--那不友好的小狗呢？
1--我想如果你对小狗友好，他们也会对你友好。
2--狗就像人一样--不是所有的都是友好的。