1With Britain voting to leave the European Union, and GDP already predicted to slow as a result, it is now a timely moment to assess what he was referring to.
主干主语：it（形式主语）；谓语：is；表语：a timely moment；真正主语：to assess what he was referring to
结构句首 With 引导独立主格/伴随状语，含两个并列分词结构：Britain voting… 与 GDP already predicted…。主句为 it is…to do 形式主语句。不定式后接 what 引导的宾语从句，作 assess 的宾语。as a result 修饰 predicted。
译文随着英国投票脱离欧盟，且国内生产总值已因此被预测将放缓，现在正是评估他当时所指为何的恰当时机。
考点with + 名词 + 分词 作伴随状语 · it is a timely moment to do 中 it 为形式主语
2If everything was going so well, then why did over 17 million people vote for Brexit, despite the warnings about what it could do to their country’s economic prospects?
主干主语：over 17 million people；谓语：did vote；宾语：for Brexit（介词短语作宾语）
结构If 引导虚拟/假设条件状语从句。主句为 why 特殊疑问句。despite 介词短语作让步状语，其中 about 后接 what 引导的宾语从句。it 指 Brexit。
译文倘若一切都那么顺利，为何仍有超过一千七百万人投票支持脱欧，尽管已有警告称这可能损害本国经济前景？
考点despite + 名词短语 表让步，不可接从句 · what it could do to… 作 about 的宾语
3Across the 163 countries measured, the UK is one of the poorest performers in ensuring that economic growth is translated into meaningful improvements for its citizens.
主干主语：the UK；谓语：is；表语：one of the poorest performers
结构Across…measured 为地点状语，measured 为过去分词后置定语修饰 countries。in ensuring… 介词短语修饰 performers。ensuring 后接 that 宾语从句；从句中 is translated into 为被动结构。
译文在所衡量的163个国家中，英国是最不善于把经济增长转化为对公民有实质改善的国家之一。
考点one of the + 最高级 + 复数名词 · ensure that + 从句；translate A into B 的被动
4So, what Kennedy was referring to was that while GDP has been the most common method for measuring the economic activity of nations, as a measure, it is no longer enough.
主干主语：what Kennedy was referring to；谓语：was；表语：that 从句
结构what 引导主语从句。was 后接 that 表语从句。表语从句内 while 引导让步状语从句；as a measure 为插入的介词短语，修饰 it（GDP）。
译文因此，肯尼迪所指的是：尽管国内生产总值一直是衡量各国经济活动最常用的方法，但作为一种衡量指标，它已不再足够。
考点what 主语从句 + that 表语从句 · while 表让步而非时间
5But policymakers who refocus efforts on improving well-being rather than simply worrying about GDP figures could avoid the forecasted doom and may even see progress.
主干主语：policymakers；谓语：could avoid / may see；宾语：the forecasted doom / progress
结构who 引导定语从句修饰 policymakers。从句中 rather than 连接两个动名词短语。主句含并列谓语 could avoid 与 may even see。forecasted 为过去分词作定语。
译文但那些把精力重新放在提升福祉、而非仅仅担忧GDP数字上的决策者，或可避免预言中的厄运，甚至可能见到进展。
考点rather than 连接平行的动名词 · 定语从句 who refocus… 限定主语