Differentials
n. 差异( differential的复数形式 ); 工资级差; （汽车）差动齿轮; 分速器
🗣️ 情景例句
But I promise you, Alexandra,
但是我向你保证，Alexandra，
It is a poor heart that never rejoices.
不知世间有乐者最可怜。
For once, Harry had to admit defeat.
哈里只好认输。