Lieutenant Commander Scott Murphy leads the crew. "This is the first day we've been out here and we've had blue skies and 10-15 miles of visibility."

VOA: standard.2010.07.05

So let me start off with-- is this the first day of shopping or was it yesterday?

首先我想问一下,第一次的试听课是今天还是昨天

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选