I modified my travel plans by staying an extra night in Rome.

我修改了我的旅行计划，决定在罗马多住一晚。

youdao

The cost of the holiday tour to Hawaii included six nights' stay at a hotel, but as an add-on, every extra night was available at a discount.

去夏威夷度假旅行的费用中包括六个晚上的旅馆住宿费，不过作为附加优惠，每多住一晚，其费用可以打折。

youdao

On Mondays, eight servants, including an extra gardener, toiled all day with scrubbing-brushes and hammer and garden-shears, repairing the ravages of the night before.

每到星期一，有八个仆人，包括一个额外的园丁，用硬毛刷、锤子和花园剪刀干了一整天，修补前一天晚上的破坏。

youdao

rent extra classroom space; and offer night classes running as late as 2:30 in the morning, just to fit everyone in.

VOA: standard.2009.12.14

First we have the "Pilot of some small night-founder'd Skiff," and the pilot stands ab extra, from outside, in the simile.

首先我们有这句“迷茫深夜中，轻舟的导航人“,并且这个导航人在明喻中，体现为从诗句之外向内眺望。

耶鲁公开课 - 弥尔顿课程节选

"The British public, millions of extra people that tuned in last night, are aghast by the display of bias from the BBC, the venom from the political class, and the sheer unfairness.

VOA: standard.2009.10.23

Thus, we spend two extra nights in a hotel on the front end and one extra night in a hotel on the back end.

FORBES: Flying vs. Driving: The Great Vacation Debate

They said no to liver transplants, no to staying an extra night in the hospital after delivering a baby, no to fancy new asthma inhalers, and no to an MRI of your knee.

FORBES: We Probably Spend Too Little On Health Care (Unless You're Peter Orszag)

Do you think our prime concern is what glossy magazine we'll be pictured in, or what restaurant we're going to go and spend an evening in, or whether we spend an extra night here or not?

WHITEHOUSE: THE WHITE HOUSE