What is the difference between the nest and steamed bread?

First of all, the shape is not the same, the nest is empty inside, shaped into a nest, so called nest nest, and steamed bread is the whole, so called steamed bread. Secondly, the material is not the same, the north is the earliest and most primitive when the groundnut flour made. On the outside to let it form a nest, but also for good cooked considerations. Nowadays, there are many materials, corn, bean flour, etc., although there are many kinds of steamed bread, or white flour-based. Third, the nest is a dead noodle, do not need to ferment, while the steamed bread is and noodles, is after fermentation and added over and into the.