It's just not the done thing!

因为这并不是合乎规范的事情！

In some cultures, asking for money isn't the done thing.

在某些文化中，要钱并不是一件已经完成的事情。

" Well. Yes. Apparently it's not the done thing to do your own and Agnes—my employer—really needs someone brilliant to do one for her." My voice sounded high and anxious.

“好吧。是的。很明显，做你自己的事情并不是一件既定的事情，艾格尼丝——我的雇主——真的需要一个聪明的人来为她做一件事情。”我的声音听起来高亢而焦虑。