on the subject of money的意思|示意

While we is on the subject of money, may I ask when you will repay that loan?

既然我们谈到钱的问题，我想问一下，您何时偿付那笔借款。

While we are on the subject of money, may I ask when you will repay the loan?

既然说到钱的话题，我能知道你什么时候会还这笔贷款吗？

While We are on the subject of money, may I ask when you will repay that loan?

既然我们谈到钱的问题，我想问一下，您何时偿付那笔借款。

There are many books and online courses on the subject of money management basics.

有很多书及在线教程教你基本理财方法。