While the programme is bearing fruit, such a major task cannot be undertaken without encountering problems, the most serious of which is the impact that HIV/AIDS is having on the teaching profession.
该方案正在取得成果，但这样一项重大工作的实施不可能不遇到问题，最严重的问题是艾滋病毒/艾滋病对教育职业的影响。