As an independent researcher, Tong has devoted himself to the academic study of homosexuality, not only from a social perspective, but also how to best combat AIDS.

• 作为一个独立的研究员，佟毕生致力于学术研究同性恋的，而不是只从社会的角度看，而且如何以最佳方式与艾滋病作斗争。