nuance

1. N-VAR A nuance is a small difference in sound, feeling, appearance, or meaning. (聲音、感覺、外貌或意義等方麪的) 細微差別

We can use our eyes and facial expressions to communicate virtually every subtle nuance of emotion there is. 我們可以用眼睛和麪部表情來如實地傳達情感上的每一絲細微差別。