Fermat's conjecture Previous efforts have been directed mainly at stopping the mirrors shading each other, which tends to mean spreading them out.

费马螺线魔力在此之前，人们做出了种种努力，但总是在镜身相互遮挡这一问题上束手无策。而对此常会采用的是展开布局，增加排列面积来避免这种情况出现。

That had been around awhile, those kinds of bets and those kinds of questions, and that was Fermat and Pascal who developed a lot of this theory.

这个问题已经存在许久，同样还有这样那样的赌注及种种其它的问题，因此费马和帕斯卡发展出这方面的理论。