The audit reports showed weaknesses in the internal control systems such that it was not possible to determine the shortfall in revenues owing to the absence of a fully operational metering system and continued sabotage of the pipelines.
审计报告显示，内部控制制度存在弱点，以致无法确定收益短缺额，因为没有一个运作完全正常的计量系统，输油管持续遭到破坏。