Preferential margins
[经] 优惠差额, 优惠幅度
🧩 词语组成解析
preferential
[ˌprefə'renʃəl]
adj. 优先的;优先选择的;特惠的;
n. 边缘；（期权）保证金；利润；边际（margin的复数）
🗣️ 情景例句
You'll have your tonsils out tomorrow,
明天你的扁桃腺一切除，
I don't believe it.
我才不信咧！
What a lot of invitations to send out!
要寄出的请贴真多呀！