对于为什么树线以上的树木会突然停止生长，至今还没有一个公认的解释。

There is still no universally agreed-on explanation for why there should be such a dramatic cessation of tree growth at the upper timberline.

youdao

以下是你的无意识大脑对以上的事件的解释。

Here is how your unconscious brain gets told the above story.

youdao

以上各步骤的进一步解释。

More explanation about each of the steps.

youdao

For any one of those, we could again run an argument where we say, "Look, here is something that needs explaining.

对于以上任意一个,我们都能再次提出一个论证,看啊,这里有某个东西需要解释

耶鲁公开课 - 死亡课程节选

I think that's the three most important reasons for what happened in the Internet space in China.

以上这些就是主要的三个原因,来解释中国互联网市场的现状。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

So, it's not surprising that asset allocation explains more than 100% of returns and that, for the community as a whole, market timing and security selection are costly and lower the community's aggregate investment returns.

因此资产配置能解释100%以上的回报,也不足为奇了,对投资者整体来说,市场时机选择,和证券选择是有代价的,降低了总的投资回报

耶鲁公开课 - 金融市场课程节选