"Tout ce qui est rare est cher, or un cheval bon marché est rare, donc un cheval bon marché est cher."
Are these rare or expensive? Or both, perhaps.
ONE: a house that looks like a boat.
TWO: a French diamond that dates back to when France had a monarchy.
Don't forget that on Google documents, you can use the "translate" button, and it is often more accurate than Google translate.