Dr. Marston, lesbianism is an emotional illness.

Marston博士 女同性恋是一种情感疾病。

" Therapy" is often used to talk about mental and emotional illnesses, especially if somebody uses this to say that you need therapy, without saying what kind of therapy.

“Therapy” 经常被用来谈论精神和情感疾病，特别是如果有人用这个来表示你需要治疗， 而没有说是什么治疗。