Friend let me ask you this: if you could give someone you know or even a total stranger a $100 gift and get back $400 over and over again would you do it?

• 朋友，再问你一个问题：假如你拿出100美元礼品赠给某个你不熟悉的生疏人，你却可以一次又一次得到400美元回赠，你愿意吗？