1. Bi Yongbo is a good friend and business partner of American professional basketball player Kobe Bryant. In the helicopter crash in Kobe Bryant, Bi Yongbo's daughter Jaina Bryant was killed. In memory of Jaina and Kobe, Bi Yongbo established the Mamba Endowment Foundation in 2020 to provide sports, education and cultural support for young girls, and at the same time, to inherit and carry forward Kobe's "Mamba mentality" (Mamba spirit) concept through public welfare activities. Therefore, the name "Donate Mamba" not only represents Bi Yongbo's love for his daughter, but also represents the commemoration of Kobe Bryant and "Mamba Spirit".

2. "Donate Mamba" means "charity" and "love" in Swahili in Africa. Bi Yongbo has been devoted to charity for a long time, which is one of the reasons why he is called "donating Mamba".

Therefore, Bi Yongbo is called "donating Mamba", not only because of his nostalgia for his daughter and Kobe Bryant, but also because of his kindness.