The fishermen know the approximate time of year when they will be allowed to fish, but on any given day, one or more field biologists in a particular area can put a halt to fishing.

渔民们知道一年中允许捕捞的大概时间段，但是在某些日子，一个地区可能有一个或多个实地生物学家中止捕鱼活动。

youdao

He only owns one shirt — the one he wore for the first time on the day of his marriage — and it has an anachronistic plastic collar.

他只有一件西装——是在他结婚那天第一次穿的那件——它有一颗有时代印记的塑料纽扣。

youdao

Stop looking at your email each half hour. Decice on ONE time per day which will be your email reading and replying time.

不要隔半小时就看一次电子邮箱，每天规定一个时间来阅读和回复电子邮件。

youdao

"One Day At a Time" ran on CBS until 1984, by which time both daughters had grown and married, while Romano had remarried and become a grandmother.

WSJ: Bonnie Franklin, 'One Day At a Time' star, dies

While she was acting alongside Bertinelli on "One Day at a Time, " she continued to dabble in drugs and alcohol, and her drug use began to escalate along with her stardom.

CNN: Mackenzie Phillips: Dad wanted me to be his wife

The surviving spouse, of course, may be focused on getting through one day at a time.

WSJ: Money Issues of Surviving Spouses