1970年之前，只有九个国家发生过登革出血热流行，到1995年时这个数字增加了四倍以上。

Before 1970 only nine countries had experienced DHF epidemics, a number that had increased more than four-fold by 1995.

youdao

虽然这个数字在1964年的时候降至19%，但这对于像美国这样富足的国家来说依然高得令人尴尬，也就在这一年，林登·约翰逊在进行国情咨文演讲的时候提出了他的“伟大社会”的期许。

Even though, it had dropped to 19% by 1964, when he made a State of the Union address setting out his hopes for the Great Society, it was still embarrassingly high for a country as wealthy as the US.

youdao

这50%的数字也没有包括任何美联储在拯救贝尔斯登、AIG和其他公司时所进行的资产置换。

Nor does the 50% number include any of the asset swaps done by the Federal Reserve when they bailed out Bear Stearns, AIG and others.

youdao