my translation
这些人的故事颠覆了中国在非洲给人们留下的两大虚幻印象:一,中国在非洲完全是为了大宗商品;二,中国人在非洲是步调一致的。
The stories of these men overthrew the two big mythical impressions of China in Africa, 1, that China goes to Africa for big commerical purposes; 2, that Chinese are all on the same page in Africa.