他说不出鹦鹉是什么，甚至连显而易见的鸵鸟也说不出。

He could not say what a parrot or even the unmistakable ostrich was.

youdao

那么，是什么阻碍了这样显而易见的进步呢？

What, then, is getting in the way of such evident progress?

youdao

因此，工程师们才对拥有带状逆阵的带状矩阵感兴趣，然而那些是什么样的矩阵却并非显而易见。

So engineers are interested in banded matrices with banded inverses, but which matrices those are is by no means obvious.

youdao

If there's something worse about story number two, and I think it's pretty clear there is something worse, it's not the separation.

第二个故事又有什么更坏的地方呢，显而易见是有更坏的地方，不是分离本身。

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What's the other obvious explanation?

最显而易见的解释是什么

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