They might look simple but thought had gone into them.

The diet may look simple, but it can be rich.

But like all the clothes in the collection, they look simple.

The furniture looks simple, but there is a lot of work involved in it.

It looked simple, but called no familiar picture to mind.

From the street, this shop looks simple, and even conservative.

We look at the patent problem and it looks pretty simple.

It looks simple enough from the outside to place one particular room, but the inside of a building is confusing.

It all looked very easy and simple, when the map lay before them.

What looks very simple, is in fact a difficult problem.