但是，在撒哈拉以南非洲 — — 在即将到来的可持续发展目标（Sustainable Development Goals）的指引下，该地区拥有最大的进步潜力 — — 极度缺乏准确数据。
Yet, in Sub-Saharan Africa – the region with the most potential for progress under the forthcoming Sustainable Development Goals – accurate data are severely lacking.