We have made some progress also in getting rid of the malaria-bearing mosquito, which is a major problem for the economic and social development of developing countries in general and for that of African countries in particular.
此外，在铲除携带疟疾的蚊虫方面也取得了一定的进展，这是一般发展中国家尤其是非洲国家经济和社会发展面临的一个重大问题。