quotient

1. N-COUNT Quotient is used when indicating the presence or degree of a characteristic in someone or something. 指数[usu sing, usu n N, N 'of' n]

Being rich doesn't actually increase your happiness quotient. 有钱不见得提升你的快乐指数。

The island has a high quotient of new age therapists. 该岛屿有很多新世纪治疗专家。