China has a huge labor base, and the demand for technical skills training of the labor force is also huge. The potential of this industry can be seen from the fiery listing of New Oriental.

Once the western food format appears, it presents a variety of characteristics, from high-end to mid-range to low-end, light meals and tea meals appear at the same time. Western food enterprises develop various formats, and each format is pursued by a considerable number of consumers, which makes western food consumption present multi-level and multi-variety, showing a very active vitality.

The four laws of gray industry: 1, children are afraid of being stupid, and various brain tonic drugs help students get extra points. 2, women are afraid of ugliness, and various beauty artifacts emerge one after another. 3, men are afraid of softness, and all kinds of aphrodisiacs and poisons are broadcast live. 4, the old man is afraid of death, and all kinds of health-preserving immortals live forever.