如果你了解互动的新方法，这种感情就能在低落后再度回升，常常比过去更为强烈。

If you learn new ways to interact, the feelings can come flowing back, often stronger than before.

youdao

内源性抑郁症是一类以感情持续低落位主要特点的精神障碍类疾病。

Endogenous depression is a kind of low-bit key to sustained feelings of mental disorders characterized diseases.

youdao