高中毕业的小张和小李来到广州，很难找到工作。他们发现沿街店铺的招牌脏兮兮的，何不主动擦洗招牌呢？于是小张和小李弄来１把梯子，２只提桶及清洗剂、抹布等，试着为一饭店清洗招牌。开始饭店老板并不在乎，认为：“大街小巷的招牌都这样，擦不擦有啥区别。”他俩说是免费 Zhang and Li, who graduated from high school, came to Guangzhou and find it hard to find a job. They found dirty signboards along the street shops, why not take the initiative to scrub sign? So Xiao Zhang and Li get a ladder, two pails and cleaning agents, rags, etc., trying to clean a sign for a hotel. Start hotel owners do not care, that: “The signs of the streets are so rub-wipes so what’s the difference.” They said it was free