例(れい)の件(けん)the matter you have been talking about

そういえば、例(れい)の件(けん)はどうなりましたか？

Speaking of which, what happened with the matter you have been talking about?

例(れい)の件(けん)が片付(かたづ)くまでは家(いえ)に帰(かえ)る事(こと)が出来(でき)ません。

I can't return home until the matter you have been talking about is settled.

客(きゃく)：「あの〜、例(れい)の件(けん)でまた相談(そうだん)があるのですが…。」

Customer: "Um, I have something to discuss again regarding the matter you have been talking about..."

部下(ぶか)：「僕(ぼく)が例(れい)の件(けん)を引(ひ)き受(う)けるからには絶対(ぜったい)に成功(せいこう)させます！」

Subordinate: "Since I'm taking on the matter you have been talking about, I will absolutely make it a success!"

同僚(どうりょう)：「例(れい)の件(けん)でまた相談(そうだん)したいんだけどさ、今日(きょう)一緒(いっしょ)に飲(の)みに行(い)ける？」

Colleague: "I'd like to discuss the matter you have been talking about again, so can we go for a drink together today?"