How do these differences come about?

这些不用是如何形成的？

And do you know how that came about?

你知道他为什么被射伤吗？

Simply it came about through good practice trickling down.

只有良好的实践结果逐渐深入人心，人们才会接受它。

" Have you come about the electric bill? "

“你是来收电费的吗？”

Some of the accidents have come about in strange ways.

有些事故真是千奇百怪。

How did that come about on " Grey's" ?

拍《实习医生格蕾》怎么会想到做导演的？

So tell us how this agreement came about.

请介绍一下这项协议的达成过程。

How it came about that snakes manufactured poison is a mystery.

蛇是怎样产生毒液的，这是一个谜。

So, Michael, how did this potential deal come about?

迈克尔，这笔潜在的交易是如何达成的呢？

Finally, some Janus words come about through simple confusion.

最后一点，有些双面词是通过简单的混淆而产生的。