即使在未来提高援助之前，大约半数国家的比例已经高于10 % 。 有鉴于此，人们必需重视这些挑战。
Given the current aid-to-GDP ratios in sub-Saharan Africa − with approximately half of countries yielding ratios of above 10% even before future increases in aid are taken into account − these challenges must be taken seriously.