1, the world's best, the network popular word, in describing something, something excellent to a relatively rare and rare degree, so praised as "the world's best of the world"! With different contexts can express different meanings, to some extent, the word belongs to the neutral word.
2. In addition to the widespread use of the word, Dazhang Wei himself has been using the word all the time since it became popular. Recently, a brainwashing and packing song adapted by Da Zhangwei, "The best of the world up high", is a variety of screen, the word is used to the extreme.