Anhedonia can be a symptom of depression.

快感缺失可能是抑郁症的一个症状。

Anhedonia affects the quality of life significantly.

快感缺失显著影响了生活质量。

Doctors are researching new treatments for anhedonia.

医生们正在研究治疗快感缺失的新方法。

She struggled with anhedonia after the traumatic event.

在那次创伤事件后，她一直在与快感缺失作斗争。

Many patients with anhedonia find it hard to enjoy activities they once loved.

许多快感缺失的患者发现很难享受他们曾经喜欢的活动。

Of course there are many symptoms and many ways of experiencing depression. But anhedonia (lack of interest or pleasure in doing things) is really central to depression for me.

当然抑郁有很多症状和表现形式，但快感缺失（做事缺乏兴趣或乐趣）对我来说的确是抑郁的主要表现。