He responded to the bad news with a flat affect. That means not much feeling or emotion.

他对这个坏消息的反应很平淡。这意味着没有多少感觉或情感。

So, for example, if you felt your sister did not react at all to the rain, you would say she had a flat affect.

那么，举例来说，如果你觉得你妹妹对那场雨完全没反应，你就会说她没有情绪。

Since serotonin is one of those feel-good neurotransmitters, having more of it likely improves some of the other symptoms like withdrawal and flat affect.

由于血清素是一种让人感觉良好的神经递质，多摄入血清素可能改善一些其他症状，如退缩和情感淡漠。

There are also other emotional and behavioral changes that tend to accompany these symptoms, like disorganized thoughts and speech, and flat affect, where someone basically never shows emotions outwardly.

伴随这些症状的还有其他情绪和行为上的变化，比如杂乱无章的思想和言语，以及平缓的情绪，在这些情绪中，当事人基本上从不表现出外露的情感。

Affect. Affect. As a noun, it means a feeling or  emotion. He responded to the bad news with a flat affect. That means not much feeling or emotion.  Let's watch again up close and in slow motion.

影响。 影响。 作为名词，它表示一种感觉或情绪。 他对这个坏消息反应平平。这意味着没有太多的感觉或情绪。 让我们再次近距离观看慢动作。