关于Filing的学习知识

KeySentences（重点句子）youlookupthosefilesIrequested？我要的那些档案资料都找到了吗？824.Icouldn'tfindanyinformationonthatcompany，eventhoughIcheckedallthecross-references.尽管我查了全部的对照表，仍未找到有关那...