A dark horse and a white horse are idioms, meaning that in a competition, the winner may be a "dark horse" or a "white horse". The so-called dark horse refers to the person or team who is not favored by everyone at the beginning of the game, but performs well in the game and finally wins; A white horse refers to the person or team that won a total victory at first.

Black and white horses are usually used in competitions and competitions, including sports, business and politics. The concept of "dark horse and white horse" is often used in talent selection, investment decision-making and election. There is also a value behind this idiom, that is, don't underestimate the strength and potential of one side because of preconceived views.

The difference between a dark horse and a white horse is that their strength is influenced by everyone's views before the game. Therefore, in our daily life, we should also be careful not to judge a person or a thing easily. Sometimes, people who look pleasing to the eye will not perform very well. On the contrary, those who are not optimistic at first will perform well and succeed. We should be good at exploring the strengths of others and help and encourage them on this basis, so as to stimulate their potential and realize their own value.