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
Thank you for a most enjoyable evening.
谢谢你举办这样一个极其快乐的晚会。
Let bygones be bygones.
既往不昝。
The truth is that when mistakes occur, they are more likely to be ours than theirs.
事实上，差错很可能是我们自己，而不是铁路当局的。