The phrase "Brothers work together to cut gold" originated from the traditional culture of China. Literally, that is to say, if brothers can unite with one heart and one mind, then the power will be as strong as cutting off gold. This sentence emphasizes the importance of unity and cooperation. From a deeper understanding, "brothers are United in interests" is not limited to blood brothers, but is more widely applicable to the cooperative relationship between friends, colleagues, team members and even countries. When people unite for the same goal or ideal, they can overcome many difficulties and create incredible achievements. This power comes from mutual trust, support and tacit understanding, which is incomparable to any individual. In modern society, the spirit of "brothers are United in their interests and break the gold" still has far-reaching practical significance. No matter at home, school or workplace, we should learn to establish good cooperative relations with others and strive to achieve consistent goals. Only in this way can we give full play to the collective wisdom and strength, overcome various challenges and create a better future.