Even making a non-working model of what might seem to be a relatively simple thing, like a new sole for a shoe, is in fact a complex process.

即使是制作一个不能用的看起来很简单的模型，比如一只鞋的新鞋底，这也是很复杂的过程。

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Plastic bottles and buckets, even the sole of a shoe are all on display.

塑料瓶和塑料桶，甚至还有鞋底都在那里展示。

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The shoe sole for a Jing character ?can be 20cm thick. A higher sole means higher status.

京剧中净角的鞋底厚度可以达到20厘米。 鞋底越厚意味着地位越高。

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Few things could be less functional than shiny red paint on the sole of a shoe, where it almost immediately will be scuffed.

FORBES: Louboutin Wins Protection For Red, But Don't Try To Grab Blue Just Yet

The story of how Nike co-founder Bill Bowerman developed a running shoe sole from a waffle maker has become a minor legend.

FORBES: Magazine Article

The solution: They cut a groove in the sole plate of his shoe and inserted a flexible pad, better to keep his feet on the ground.

FORBES: On the Run