The flowers may only last a day but the plants are long-lived.

这些花也许只开一天，但植物本身却很长寿。

《柯林斯英汉双解大词典》

She was intending to work part time, but could only manage one day a week in the office due to childcare.

她原本打算做兼职，但因为照顾孩子，她一周只能在办公室工作一天。

youdao

They starved but only could eat a piece of stale bread every day.

他们饿了，但每天只能吃一块不新鲜的面包。

youdao

But the latest test only added to concerns about missiles that could one day carry nuclear weapons.

VOA: special.2009.05.23

That has to count as the toughest day, not only in my career, but also in the history of that particular presidency.

那可以算得上是最艰难的一天，不仅在我的职业生涯里，在总统任期的历史中,也是最艰难的一天吧。

普林斯顿公开课 - 国际座谈会课程节选

Remember, this thing only runs for sixty days and you could compute your sixty-day return, but people like to compare annual returns-- once again, a tradition we have.

注意,这个债券期限只有60天,当然你可以计算60天的收益率,但是人们往往喜欢用年收益率进行比较,这也是一种传统

耶鲁公开课 - 金融市场课程节选

The dot-com bubble pop knocked down sales 20% at Wang Steak in early 2000, but that only prompted Day to look to lower-end markets and an avenue for rapid expansion.

FORBES: Taiwan's Wowprime Attracts Eaters and Eager Employees

He needed 28 putts on Friday after taking only 25 a day earlier, but Horschel hit 11 of 14 fairways after hitting only seven a day earlier.

NPR: McIlroy Pulls Within 3 Shots Of Lead At Texas Open

One ticket gets you into all three, but only within the same day, so it is cheaper to see them all at once.

BBC: Escape from Goa: Hampi and the ruins of Vijayanagara