adj.非必需的，无关紧要的
n.可有可无的事物

The extra decorations on the cake were inessential, but they certainly made it more visually appealing.
译文：蛋糕上的额外装饰并不重要，但确实让它看起来更吸引人。
In this case, the witness's testimony was inessential to the outcome of the trial.
译文：在这种情况下，证人的证词对审判结果并无决定性影响。
She packed only essential items for her trip, leaving behind all inessential possessions.
译文：她只带了旅行必需品，把所有不必要的东西都留在了家里。
His new job title is inessential; what really matters is his role and responsibilities.
译文：他的新头衔无关紧要；真正重要的是他的角色和职责。
The inessential details can be omitted from the report without losing its main message.
译文：报告中可以省略不重要的细节，而不会丢失主要信息。
The author chose to focus on the essential aspects of the story, leaving out inessential background information.
译文：作者选择关注故事的重要方面，省略了不必要的背景信息。
Reducing plastic waste has become an inessential part of our efforts towards environmental sustainability.
译文：减少塑料废物已经成为我们实现环境可持续性努力的一个不可或缺的部分。
During the pandemic, many people realized that their daily commute was actually inessential and could be done remotely.
译文：在疫情期间，许多人意识到他们的日常通勤实际上是不必要的，可以通过远程工作来完成。
The inessential features of the software will be addressed in future updates, focusing on core functionality first.
译文：软件的非必要功能将在未来的更新中解决，首先专注于核心功能。
The hotel offers both essential and inessential services, allowing guests to choose according to their preferences.
译文：这家酒店提供必要的和不必要的服务，让客人根据自己的喜好进行选择。