In the case of africa , already sliding eastward , the force is further movement eastward , as subduction of the indio - australian plate has already begun , the weaker link already established and momentum in process 在非洲大陆已经向东方滑动了的情况下， （原先存在的）压力被进一步转移到东方，因为印澳板块的缩减已经发生，板块之间已经建立了不牢固的连接，板块移动的动力也被转化了。
Ernesto guevara de la serna : even though we are too insignificant to be spokesmen for such a noble cause , we believe , and this journey has only confirmed this belief , that the division of american into unstable and illusory nations is a complete fiction 格瓦拉：虽然我们还十分渺小，无法成为这个如此伟大的事业的代言人，并且这次旅行只能证明一个理念，那就是美洲分裂成一些松散不牢固的国家，完全是一个假象。
Ernesto guevara de la serna : even though we are too insignificant to be spokesmen for such a noble cause , we believe , and this journey has only confirmed this belief , that the division of american into unstable and illusory nations is a complete fiction 格瓦拉：尽管我们十分渺小，无法成为这个如此伟大的事业的代言人，但我们相信，并且这次旅行已经证明，那就是美洲分裂成一些松散不牢固的国家，完全是一个假象。
More surprisingly , sediment produced from road - related landslides along this mountainous route exceeds values reported from forest roads in highly unstable mountains of north america by more than 175 - fold ; for the most unstable part of this road these differences were 620 - fold 更让人吃惊的是，沿着这条山路，与公路有关的滑坡所产生的泥沙量超过北美高度不稳定山区森林公路的175倍，在最不牢固的地段则相差620倍之多。
