英语翻译

问题描述:

英语翻译
In soite of numerous efforts,we have been unable to trace all copyrighe holders .we should like to apologise for the infringement of copyright so caused and will be happy to mke appropriate arrangements at the first opportunity

尽管付出了很多努力,我们一直没办法追溯到所有的版权所有者,我们应该为侵犯版权作出道歉并且很乐意尽快作出适当的安排.at the firstopportunity怎么翻译?尽快