阿里拍卖马云签名工装

Core Points - Alibaba's public welfare initiative has launched a special charity event called "Everyone 3 Hours" for this year [1] - The event features a charity auction of 102 sets of "Teacher Ma's signed version of the city knight exclusive uniform" [1] - The target participants for the auction are all employees of Alibaba and Ant Group [1] - The purpose of the event is to support delivery riders, with all proceeds from the auction being used to incentivize and fund these riders [1]