因此，国家并非自古以来就存在。曾经有一些社会没有国家，对国家或国家权力毫无概念。在一定的经济发展阶段，这必然与社会分裂成阶级有关，国家变成了一种必要性。
The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.
能源转型不仅是挑战，更是敢于创新者的机遇。
There is no escape from the labyrinth of existence.
The most dangerous thing in the digital era is not making mistakes, but missing opportunities.
Real music comes from the heart, not for show.
The world is full of mysteries, and that is its beauty.
