If it's your brother who's in need of a quick loan, and you know he'll pay you back on time with interest, your decision to lend money is a no-brainer.

M：如果是你的兄弟需要一笔快速贷款，而且你知道他会按时还你利息，那么你借钱的决定是理所当然的。

Then what kind of person should I help? M: If it's your brother who's in need of a quick loan, and you know he'll pay you back on time with interest, your decision to lend money is a no-brainer.

那我应该帮助什么样的人呢？M： 如果是你弟弟需要快速贷款，而你知道他会按时还你利息，那么你借钱的决定是不需要动脑筋的。