In most tombs in ancient China, there are often patterns of double dragons running tigers. For the people at that time, it was mainly hoped that the deceased could be sheltered by dragons and tigers and be protected and peaceful in the underworld.
In modern society, this idiom is often used to describe the decision-making ability of entrepreneurs or politicians. This decision-making ability refers to being able to see two aspects of the problem and integrate them to make the result more significant.