Since africa borders some of the world 's busiest shipping lanes , the au says , the continent needs to develop its navies and landlubbing police to counter the threat posed by piracy .

由于非洲连接着世界上最繁忙的几条航道，非盟称非洲大陆需要建设海军，训练不习水性的警察来应对海盗带来的威胁。