The brain faces the fundamental problem of interpreting physical stimuli from the senses.

大脑面临着从感官来解释物理刺激的基本问题。

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The fundamental problem lies in their inability to distinguish between reality and invention.

主要问题在于他们不能区分现实和虚构。

《柯林斯英汉双解大词典》

The fundamental problem remains.

根本的问题依然存在。

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They think, it doesn't matter what I do, I'm going to get the same consumption as everybody else, so I'll just get lazy-- a very fundamental problem, which you probably are already aware of.

因为他们知道，无论做了什么，都会享受与其他人相同的消费水平，所以偷懒就行了-,想必你们都已经意识到了，道德风险在这里是极其重要的问题。

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And Tumblr faces a fundamental problem that starkly differentiates it from Facebook and Twitter.

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Pointing fingers at slow deployment and lack of information dissemination is ignoring a more fundamental problem.

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But, there is a fundamental problem: How do we make sense of all of it?

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