We spent two days exploring the Plain of Jars, marveling at the thousands of massive ancient stone vessels scattered across the plateau.

The instructions were plain as a pikestaff, so nobody could make a mistake.

After reviewing the data, it was plain to see that our strategy needed revision.

The restoration relied on plain work to preserve the building's original character.

She preferred the plain-woven cotton for its crisp texture and durability in summer shirts.

She plain lined the map to mark the route.

She is plain lining the margin to keep the notes organized.

The documents were left in plain view on the kitchen table.

He was plain-hearted and told her the truth without hesitation.

After we fixed the initial bugs, the rest of the deployment was plain sailing.