The neuropeptides probably help control the brain's general status, or mood.

神经肽很可能帮助控制了大脑的一般状态，或是情绪。

youdao

Although the main perceived threat varies by time and place—from climate change to economic recession—the general mood is a bit despondent.

尽管感觉到的主要威胁因时因地而不断变化——从气候变化到经济衰退——人们的普遍情绪还是有点沮丧；

youdao

Though there is no evidence that the general Palestinian mood is becoming violent, they discern a distinct rise in radicalism.

尽管没有证据表明巴勒斯坦人的情绪变得暴躁和极端，但他们清楚地看到巴勒斯坦内部正在上升的极端主义。

youdao

One paper published in 2008 concluded that "the idea that pleasant weather increases people's positive mood in general is not supported by the findings of this study".

BBC: Does sunshine make us happier?

Since returning from Iraq I have suffered nightmares, insomnia, massive swings in mood and general ill health, although I put this down to a shoulder operation that I had undergone.

BBC: NEWS | Programmes | Panorama | Tell us your story

It may be even lower this time, thanks to a general mood of gloomy resignation.

ECONOMIST: Germany