Closing the discount depends on a number of factors, however. What happens to the group's high level of debt will be critical.

但要消除交易价格和资产价值之间的差距取决于很多因素。该集团高额债务的情况将是关键。

Nigeria may be the biggest economy on the continent but it's in crisis with high levels of debt and massive overspending that analysts say is not just sustainable.

尼日利亚可能是非洲大陆上最大的经济体，但它正处于高负债和大规模超支的危机之中，分析人士认为这不仅是可持续的。