So will the better health of an ageing population, good as it has been for so many, impose unaffordable costs on public-health budgets?是什么意思_So will the better health of an ageing population, good as it has been for so many, impose unaffordable costs on public-health budgets?在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句