Some people argue that a nationwide, or worldwide, educational campaign on AIDS awareness is difficult, expensive and therefore impossible.
有些人认为，在全国范围或全世界范围开展提防艾滋病的教育活动难度大，代价高，因而无法实施。
Some people argue that a nationwide, or worldwide, educational campaign on AIDS awareness is difficult, expensive and therefore impossible.
有些人认为，在全国范围或全世界范围开展提防艾滋病的教育活动难度大，代价高，因而无法实施。
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