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。

'We really thrive on anarchy. '

“我们确实是靠这种无政府状态发展起来的。

and one odd finding that makes the problem puzzling is that it looks very much as if sleeping is not simply a matter of giving the body a rest.

一项使人对这个问题感到困惑的奇怪的发现是，睡眠在很大程度似乎并不仅仅是为了使身体得到休息。

the strangest of them being perhaps the hovercraft.

其中最新奇的要数气垫船了。

Education is one of the key words of our time.

教育是我们这个时代的关键词之一。

international standards of water treatment are usually followed at bottling plants.

装瓶厂通常遵循国际水处理的标准。