下句中的best cured是怎么用的?莫非best cured not ...=best cure is not ..

下句中的best cured是怎么用的?莫非best cured not ...=best cure is not ...
Most forms of environmental pollution either appear to have been exaggerated,or are transient -- associated with the early phases of industrialization and therefore best cured not by restricting economic growth,but by accelerating it.