She made a fluffy tasty cake for her son's birthday.

她在儿子生日时做了一个松软可口的蛋糕。

youdao

If you overmix you have two choices: start over for a fluffy cake or accept that the cake will be denser but still tasty.

FORBES: Loaded With Shinny: Lane Cakes & To Kill A Mockingbird

For the reserves are the ores that we have drilled, tested, measured, weighed, baked a fluffy cake out of and know that we can mine with current technologies, at current prices, and still make a profit doing so.

FORBES: But Every Generation Does Indeed Exhaust Its Mineral Reserves

Absent the fluffy cake part this costs a lot of money.

FORBES: But Every Generation Does Indeed Exhaust Its Mineral Reserves