Case studies of children who are isolated from others reveal that they lack a firm self-concept, and their mental and psychological development is severely hindered by lack of language.

对孤立儿童的个案研究表明，他们缺乏坚定的自我概念，而其语言能力的缺乏严重阻碍了他们的智力和心理发展。

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The lack of money severely limits their room for manoeuvre.

没有钱这一事实严重限制了他们的发挥。

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This lack of objective interpretation severely weakens the common practice in cases where the business system must quickly react to new or updated requirements.

这种客观阐述的缺乏在业务系统必须快速地对新的或更新的需求做出反应的情况下严重地削弱了通用实践的能力。

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In the Bear Stearns case, the government's response was severely complicated by the lack of a clear statutory framework for dealing with such a situation.

FORBES: Transcript

Lack of speed and efficiency in these areas severely hobbled many of the post-communist economies in eastern and central Europe.

FORBES: Fact and Comment

And yet, the federal government's ability to investigate and prosecute these frauds is severely hindered by outdated laws and a lack of resources.

WHITEHOUSE: President Obama: Reform for Homeowners