translation.en: But as David Cameron of the United Kingdom said about a month ago when he was talking about polio, "There's never a wrong time Finishing polio eradication is the right thing to do.
translation.zh: 但正如英国大卫·卡梅隆首相 一个月前谈到脊髓灰质炎时所说的 “做合适的事情 从来没有错误的时间” 而根除脊髓灰质炎 就是这样无比正确一件事