1. A complete bird's nest is called bird's nest marigold, while a bird's nest is made up of a strip of bird's nest. Bird's nest is a strip of spittle congealed from the saliva of the swiftlet.

2. Before stewing the bird's nest, you need to soak the bird's nest, and after soaking, you can tear it into a strip. This is also known as bird's nest strips.

3. In China, everything is about "face", so the whole bird's nest is more expensive than the bird's nest. However, the nutritional value of both is the same.

4. Bird's nests need to be picked and treated to remove impurities before selling, and the whole process is time-consuming and labor-intensive, so the bird's nests are more expensive.

5. Bird's nests are prone to breakage during processing, so complete bird's nests are more expensive than bird's nests.

6. The price is also different between bird's nest and bird's nest. Relatively speaking, the high completeness and weight of the bird's nests affect the price of the bird's nests.