When you awake, you have cake.

当你醒来，会有蛋糕。

youdao

Do you want that cake? If not, I'll have it.

你要那块蛋糕吗？不然我就要了。

《牛津词典》

"It's like baking a cake: If you don't have exact amounts, it goes wrong," she says.

她说：“这就像是做蛋糕：如果没有精确的用量，就会出错。”

youdao

For example, if the activity is an S corporation, you can have your cake and eat it too.

FORBES: Overview Of The New 3.8% Investment Income Tax, Part 2: Passive Activities

But the basic argument is the same: supporters of Scottish independence are suggesting you can have your cake and eat it too.

BBC: Scotland: Treasury wants a pound for a pound

You want to have your cake and eat it, don't you?

BBC: News | NEWSNIGHT | Sharron Storer interview transcript