人们可以在线上或线下做粗劣的研究，但是今天由线上所提供的交流和资源却几乎剥夺了所有缺乏背景知识的理由。
People can do shoddy research online or off, but the learning opportunities provided today by online communications and resources remove almost any excuse for lack of background knowledge.
有经验的程序员将不能容易地从中找到参考信息，而初学者将因为缺乏背景知识而无法跳读任何特殊脚本。
Experienced programmers will not be able to find reference information easily, and beginners will lack the background to jump into any particular script.
这一方面是由于外语学习者对其目的语文化背景知识的缺乏，另一方面则是学习者母语文化与目的语文化之间的差异所引起的。
This is partly because of their lacking of cultural background knowledge for their target language and partly because of the differences between their target language and mother tongue.
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