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80年代中期对AIDS发病率进行的预测令人悲观,它表明这种致命的流行病在90年代还会不断扩散。现在世界各地这种趋势还在不断加剧,但这似乎还不足以反映所有的事实。
The pessimistic forecast of the incidence of AIDS in the mid-1980s shows that this deadly epidemic continues to spread in the 1990s. This trend is still on the rise all over the world, but this does not seem to reflect all the facts.