The rest comes from American institutional investors unloading their zero-returning European bonds and looking for some extra yield closer to home.

其他的则来自美国的机构投资者，他们在抛售零回报的欧洲债券，转而寻找一些更靠近美国本土的超额收益。

youdao

This just means hexadecimal notation, which we'll come back to before long so really it just means it's returning the 0 address zero.

这表示的是16进制,我们等下还会讨论，表示的是返回,地址。

哈佛公开课 - 计算机科学课程节选

Since then, a lot of us (me included) have started believing that we are returning to zero-sum economics (or even negative-sum economics).

FORBES: Warren Buffett, Peter Thiel and the Return to Zero-Sum Economics