其目的是抬升债券价格，降低收益使之变得可控。

This aims to drive up bond prices, lowering yields and making debt manageable.

youdao

很明显，准时纪录并不是乘客最关心的，所以我们没必要靠提高纪录来降低收益下降的风险。

Clearly, an on-time record is not the passengers' first concern, and so we should not risk reducing our revenues by trying to improve our record.

youdao

然而，在规模如此巨大的市场中—符合要求的资金大约有一万亿美元—在直接在线放款方占有市场最大份额并且进一步降低收益之前还需要一段时间。

In a market this big, however - with roughly a trillion eligible dollars - it's going to take a while before direct online lenders become the lion's share of the market and push yields down further.

youdao

That's what this whole theory is about, how to get a lot of expected return without getting a lot of risk.

整个金融理论的中心,就是如何获得高收益,同时降低风险

耶鲁公开课 - 金融市场课程节选

As you can see, part of the reason why the dividend-earnings ratio-- especially in more recent years, since 1990-- has been declining is that corporations were trying to somewhat ease the tax burden on their shareholders by doing repurchase instead of dividend.

可以看出,股利收益比降低的部分原因,尤其是在近些年,从1990年起,有所降低的原因是,公司想通过将分红,改为股票回购的方法,多少减轻股东的税负

耶鲁公开课 - 金融市场课程节选

So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.

如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。

耶鲁公开课 - 金融市场课程节选