Even the best schools don't always cover all the bases.

But this simple answer does not cover all the bases.

And that would cover all the bases for a while.

"To come up with some systems that cover all the bases is difficult."

I think it makes sense to cover our bases there.

One will usually cover second base when the other attempts to field the ball.

"So I tried very hard to cover all the bases."

The computer check wouldn't come back for ten days, but at least I'd have covered my bases.

Still, no single air bag design can cover all the bases.

But at the moment, I think we've got all bases covered.