It's easier to ship software when you know it will always be available on a certain date.

如果能够确定软件完成的日期，这将使软件的发布更加容易。

youdao

For example, an event might indicate that an item was shipped on a certain date at a certain time.

例如，一个事件可能表示一个药品在特定的日期和时间运输。

youdao

Whenever he heard that a pigeon show would be held at a certain place on a certain date, no matter how far it was, he would go.

不论何时﹐只要他听说在某时某处有鸽子展览﹐不管好远﹐他一定会去参加。

youdao

This has made it very clear that there has to be -if you announce anything you have to announce it all at once on a certain date and you can't have favored people that you give the announcement to.

很明显的一点...,如果要宣布事项,就要选定某一天,而且,你宣布的消息,不能只针对某一人群

耶鲁公开课 - 金融市场课程节选

There was no rush to launch on a certain date, and there was no headlong attempt to minimize problems.

NPR: Former Astronaut on NASA Risk Assessment

The Administration and Congress should carry Powell's idea to its all-too-logical and necessary conclusion: On a date certain--call it Liberation Day--a year or so from now, all barriers to entry into any facet of communications would be eliminated.

FORBES: Fact and Comment

"It wasn't so much about planning to initiate operations on a 'date certain' as it was about determining if the regime would heed the warnings of the international community and comply" with the U.N. resolution, the official said.

WSJ: Allied Forces Attack Libya