as...as句子分析.But as useful as computers are...

as...as句子分析.But as useful as computers are...
But as useful as computers are,they’re nowhere close to achieving anything remotelyresembling these early aspirations for humanlike behavior.
尽管电脑非常有用,它们在实现行为动作像人的这些早期愿望方面还差太远.
后半句能看懂.但But as useful as computers are不是很理解,为什么是“尽管电脑非常有用”.
一般as...as表和……一样.那这里什么和电脑一样有用呢?
But as useful as computers are,they’re nowhere close to achieving anything remotely resembling these early aspirations for humanlike behavior.