McGaugh invited her to his lab, and began to test her: he would give her a date and ask her to tell him about the world events on that day.

麦克高邀请她到实验室，开始对她进行测试：他会给出一个日期，让她告诉他当天发生的世界大事。

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It was called D-Day, a military term for an unspecified target date.

VOA: standard.2009.06.02

Now the pair is shaking up the industry with its game-changing approach to filmmaking: "day-and-date" releases.

FORBES: Magazine Article

That's where the second part of DC's announcement comes in: With the renumbering, they'll be offering day-and-date digital.

CNN: DC Comics goes for No. 1, fans conflicted

If day-and-date digital is a way to get more people involved in comics and see what we're doing, I think that's great.

CNN: DC Comics goes for No. 1, fans conflicted