a friend an emotion
朋友是一种情感
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Jealousy, however, is more aptly described as the fear of losing something (a lover, promotion, friend, etc.) to someone else. "Jealousy is an anticipatory emotion."
而嫉妒，更恰当地描述是担心失去一些东西(情人，晋升，朋友等等)而被他人得到。
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