His book has its shortcomings.是什么意思？

His book has its shortcomings.

他的书有其自身的缺点。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

book

n. 书，卷，课本，账簿；vt.& vi. 预订；vt. 登记，（向旅馆、饭店、戏院等）预约，立案（控告某人），订立演出契约；adj. 书的，账簿上的，得之（或来自）书本的，按照（或依据）书本的；

例句
Throughout the book we have addressed ourselves to the problem of ethics.
整本书中我们都在探讨伦理观的问题。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

its

pron. (it的所有格形式)它的，厥；

例句
The government is to accelerate its privatisation programme.
政府将加快其私有化计划的进程。

shortcomings

n. 短处，缺点( shortcoming的名词复数 )，不足之处；

例句
The conversation ranged over the desirability of such restaurants, the shortcomings of men, and why it had only taken 15 minutes to cross a continent.
谈话涉及了这类餐馆的吸引人之处、男人的弱点，还有为什么只用15分钟就跨越了一个大洲。