原则是要根据自己的脚型和地形挑选。总的原则就是足弓越高越需要cushion，越低越
需要motion control。以下摘抄自 http://www.runnersworld.co.uk/news/article.asp?UAN=481
The Normal Foot
Normal feet have a normal-sized arch and will leave a wet footprint that has
a flare, but shows the forefoot and heel connected by a broad band. A
normal foot lands on the outside of the heel and rolls inwards slightly to
absorb shock. It's the foot of a runner who is biomechanically efficient and
therefore doesn't need a motion control shoe.
Best shoes: Stabili
