What's the difference between yeast steamed bread and yeast steamed bread? Which one do you like

Fermented steamed bread is produced by biological fermentation using the characteristics of yeast.

Fermented steamed bread is a kind of chemical fermented steamed bread, and these pores are caused by the production of CO2.

Both are harmless to human body. But it is best that biological fermentation can produce some substances beneficial to human body.