a a matter of time

That's not a problem. It's simply a matter of letting people know in time.

这没问题。不就是及时通知大家么。

《牛津词典》

No matter that the first Thanksgiving was celebrated by a privileged few in a time of rampant starvation and the suppression of Native Americans—Hale wanted her Thanksgiving.

尽管第一个感恩节是在饥饿肆虐、美洲印第安人遭受镇压的时期，由少数特权群体庆祝的，但黑尔还是想要过她自己的感恩节。

That may sound odd, but the fact is at the moment of the Big Bang, both matter and anti-matter were created for a short time, and I mean just a fraction of a second.

这听起来可能很奇怪，但事实是在大爆炸的那一刻，物质和反物质都是在很短的时间内被创造出来的，我的意思是只有几分之一秒。