令人惊讶的是，哭泣更加普遍与轻度抑郁症有关，而不是与有自杀想法的重度抑郁症有关。

Surprisingly, crying is more commonly associated with minor forms of depression than with major depression involving suicidal thoughts.

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高二氧化碳含量与温暖的间冰期有关，低二氧化碳含量与寒冷的冰期有关。

High carbon dioxide levels are associated with warm interglacial periods, and low levels with cold glacial periods.

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最近的研究确实表明，高二氧化碳水平与温暖的间冰期有关，而低二氧化碳水平与寒冷的冰期有关。

Recent studies do in fact show that high carbon dioxide levels are associated with warm interglacial periods, and low levels with cold glacial periods.

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We've talked about some of these already, having to do with the nature of the harmony-- that pop music tends to have simpler harmonies, and that those harmonies tend to be more repetitious, that they tend to have harmonies that have chords in root position.

我们以前说过，这个问题与和声的性质有关-,流行乐通常用较为简单的和声，流行乐通常用较为简单的和声，流行乐手也大多喜欢用原位和弦。

耶鲁公开课 - 聆听音乐课程节选