You can choose between setting up the meeting for later or saying something like, "Let's talk now; I've got a conference call in 20 minutes."

你可以稍后安排一次会议，或者说一句类似”我们现在就说，20分钟后我有一次电话会议“ 这些话。

youdao

Investors will also be on the lookout for FOMC minutes from the September 20-21 meeting.

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At this meeting, Ms. Lewinsky met with Mr. Jordan for about 20-minutes.

CNN

She stayed 20 minutes, then went home and didn't tell her husband about the meeting for 40 years.

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