人才流失或净赚？

Brain drain or net gain?

她只用了一小时就翻本了，其他都是净赚。

She made back her investment in an hour, everything else is profit.

因此如果一名实验对象在一轮游戏结束时持有20枚代币，那么他将会净赚一美元。

So a subject who kept 20 tokens in a round would net $1.