问题描述：
英语翻译
Valuation allowances are established,whenever necessary,against net deferred tax assets when it is more likely than not that some portion or all of the deferred tax asset will not be realized.
不管是否必须,针对净利递延税收资产时,更有可能是备抵估值建立起来,而非某些部分或者所有的递延税资产无法实现.
Valuation allowances are established,whenever necessary,against net deferred tax assets when it is more likely than not that some portion or all of the deferred tax asset will not be realized.
不管是否必须,针对净利递延税收资产时,更有可能是备抵估值建立起来,而非某些部分或者所有的递延税资产无法实现.
问题解答：
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