Each such arrangement is a permutation of the symbols .

每一个这样的摆布都是这些符号的一种排列。

Whatever their meaning and wherever they may be headed , the hippies have emerged on the u.s. scene in about 18 months as a wholly new subculture , a bizarre permutation of the middle-class american ethos from which it evolved .

不论他们意欲如何，也不管他们朝哪里进发，嬉皮士在大约18个月内以一个全新的亚文化群身份、一种从中产阶级美国人的社会思潮中演变出的奇怪的组成状态出现在美国的舞台上。

According to london shoe specialist john rushton , there is , however , one item that has no acceptable permutation for politicians on holiday : flip-flops .

但是，按照伦敦制鞋专家约翰洛旭庭（johnrushton）的观点，有一样东西是政治家们在度假时不能碰的，那就是人字拖。