Mr coll suggests that , isolated among half-brothers , he always had a need to prove himself .

考尔认为，正是由于奥沙马被其他同父异母的兄弟孤立，因此总是需要想办法证明自己。

Earlier , reuters reported that a bank official had claimed mr da ? Ino negotiated the deal along with ms riza 's lawyer and xavier coll , the bank vice-president for human resources .

早些时候，路透社（reuters）曾报道，一位世行官员称，达尼诺与丽扎的律师和世行负责人力资源的副行长泽维尔科尔（xaviercoll）一道商讨过此项协议。