The obvious idea of duck's disease will be a disappointment.

One of them was about my size which presented me with a very obvious yet still interesting idea.

There were two obvious ideas: first, they could add more features.

The plan is based on some fairly obvious ideas.

But that was a pretty obvious idea - nothing to give a person the shiver it had given him.

Why, then, might biostasis not seem a natural, obvious idea?

Using a robot for such harrowing work may seem like an obvious idea.

How could it have taken so long for such an obvious idea to occur to him?

Putting together the two works was an obvious idea, she added.

Not an obvious idea in 1981, but it struck me as the sort of thing that might be down the line.