The only way that they can preserve their history is to recount it as sagas -- legends handed down from one generation of another.These legends are useful because they can tell us something about migrations of people who lived long ago, but none could wri

他们保存历史的唯一办法是将历史当作传说讲述，由讲述人一代接一代地将史实描述为传奇故事口传下来。

acquired this man-made disease as a pestilence.

而欧洲自己却染上了这种人为的瘟疫般的疾病。

concludes that it must be the gateway to world that lies beyond.

日落处想必是通往遥远世界的大门。

Many strange new means of transport have been developed in our century,

本世纪已研制出许多新奇的交通工具，

It is one of the most unpleasant discoveries which we all make that we must decline in this way,

人人必然会衰老。

In the breaking and remaking, in the timing, interweaving, beginning afresh,

作家在剪裁修改、构思时间、穿插情节、以至从头重写的过程中，