At auction spot, someone has lost a bag, in which has the vital document.

The owner says, "Once who picked it up brings it to me, I will take out 200 dollars to remunerate reward him or her."

On hearing the news, another chap（小伙子，家伙） shouts out:" I reward 300 dollars." 　

拍卖会上，有人的包丢了，里面装有重要文件。物主说：“有谁拣到送还，我将拿出200美元以表酬谢。”

话刚出口，就听有人喊：“我出300美元。”