The phrase 'that looks simple' is correct and can be used in written English.
For example, you could write "This problem seems daunting, but that looks simple enough to solve."
Savuer Magazine had one that looks simple, dark, and intense.
"There's always one that looks simple but is a nightmare to do," she explained.
It's a complex humour that looks simple, unclassifiable, different from your Anglo-Saxon graphic novels.
240g, £9.99 An attractive calendar for adults that looks simple and classic while retaining the spirit of the traditional advent calendar with jumbled-up door numbers to burst open.
The need to actually go out for a day during Wimbledon drove me this year to try a Pinnacle PCTV USB box; it comes with software that looks simple and pretty - big buttons to press to make things happen.
Take, for example, the Air Mail, a golden-hued drink that looks simple but tastes complex.
"Take out" the two by setting up an equation that looks simpler, but is actually the same thing: 2 * (x 2 +2x - 6).
It's bathrooms that look simple and Zen-like but have to be maintained constantly.
By contrast, there are unsung talents on the Paris scene like Jean-Paul Lespagnard, whose exceptionally clever cuts created transformable clothes that looked simple on his tiny showroom runway.
Fowler famously liked things that looked simple but cost a fortune, and the hand-woven mats fit fluently into his signature schemes of "pleasing decay".
SANAA's ability to design places that look simple but actually have a lot going on has resulted in galleries that combine the clear, flexible quality of loft spaces with some shrewd architectural intervention.
