tā / zài / shū / zhōng / xiáng / xì / fēn / xī / le / hǎi / wān / zhàn / zhēng / de / yuán / yīn / hé / yǐng / xiǎng他在书中详细分析了海湾战争的原因和影响。In his book, he analyzed in detail the causes and effects of the Gulf War.