high-income economies

This is a poor performance by the standards of most high-income economies.

以大多数高收入经济体的标准来看，这是很糟糕的。

A better response, however, would be that the high-income economies have not yet recovered from the financial crisis and subsequent eurozone crisis, as ultra-low interest rates show.

然而，更好的答案是高收入经济体尚未从金融危机以及随后的欧元区危机中恢复过来，正如超低利率所表明的那样。

The answer, I suggest, is three big things: first, the debt-encumbered economies of the high-income countries remain extremely fragile;

我认为答案是三件重要的事情：首先，高收入国家负债累累的经济仍极度脆弱；