Diff
abbr. 扩散器（diffuser）；[数]微分；差速器（differential）
🗣️ 情景例句
She is dying to know where you've been.
她极想知道你到哪去了。
Whom will you play with?
你将和谁一起玩？
So, ask businesses on both sides of the Atlantic, why have two lots of tests where one would do?
因此，大西洋两岸的企业都在问，当一套测试可以解决问题时，为什么需要两套呢？