会议期间，请大家紧扣主题发言。

During the meeting, please keep to the record in your comments.

恩科西是第13届国际艾滋病会议的主题发言人。在会上他鼓励艾滋病受害者公开病情并寻求平等的治疗。

Nkosi was the keynote speaker at the 13th International AIDS Conference, where he encouraged AIDS victims to be open about the disease and to seek equal treatment.