Traditional craftsmanship has never been a completely romantic existence. It is not built on the air tower, but survives on an economic chain that is spread from production to consumption, thus forming a craftsmanship professional group and a set of industry systems. The consumer market's handicrafts are undoubtedly difficult to survive. Therefore, in contemporary society, the attention and promotion of opponents' craftsmanship should still pay attention to digging the soil of their survival, explore the way of expansion, and cannot be immersed in the imagination and obsession with the overly idealized folk culture In. What does this paragraph focus on the explanation? ['Contemporary development of traditional crafts.', 'Historical origins of traditional crafts.', 'Strategies for revitalizing traditional crafts.', 'Misunderstanding of developing traditional crafts.']