This outward mutability indicated, and did not more than fairly express, the various properties of her inner life.

这种外在的易明，但只是公平地达她内心生活的各种特。

Thus just as earlier theories have explained the mobility of the continents, so hot spots may explain their mutability (inconstancy).

因此，正如早期理论解释的流动一样，热点可能解释它们的多（不稳定）。