请问一下树脂和橡胶的区别是什么？（无论是成分还是性质方面）

Rubber is a sticky, elastic solid produced from a milky liquid called "latex," which has different properties than the sap found in trees. Although latex is found in the bark, roots, and stems, branches, leaves, and fruit of over 400 different plants and trees, the bulk is found, and extracted, from the inner bark of the branches, and from the trunk, of the rubber tree. Quite simply, it would not be cost-effective to extract the latex from rubber producing plants, such as the dandelion, the milkweed, and the sagebrush. Just visualize some poor soul laboring over one of these with a syringe!

Rubber, derived from the gum of a tree, has existed since prehistoric times. For example, fossils of rubber-producing plants date back almost 3,000,000 years. Crude rubber balls, discovered in ruins of ancient Incan and Mayan civilizations in Central and in South America, are, at very least, 900 years old. Natives of Southeastern Asia used rubber, prepared from the "ju