1.ahead of （时间、空间）在……前面

例句：I think he made a tactical blunder by announcing it so far ahead of time.
我认为他在时机远未成熟时就把这事说了出去是一种失策smKpTerP#8^S,Xa!CkC。

2.spike v. 猛增；急升

例句：Although you'd think business would have boomed during the war, there was only a small spike in interest.
人们会认为战争期间生意会很红火，但实际上利息只有小幅上升qP9g3al5z![!4A8X。