Moreover, the increasing concentration of aid among a limited number of countries implies that aid to most sub-Saharan African countries was either constant or increased at a very slow pace.
此外，援助越来越集中于有限的几个国家，这意味着向多数撒哈拉以南非洲国家提供的援助或是维持不变，或只是以极低速度增长。