英语语法分析

The crisis has led to the closure of a number of nonessential government services.

这场危机已导致了一些可有可无政府服务设施的关闭。

《柯林斯英汉双解大词典》

About 9% attempted to conceal "nonessential Internet use", and nearly 4% reported feeling "preoccupied by the Internet when offline".

约有9%的人试图隐瞒自己“非必要的上网行为”，近4%的人报告说，他们“离线时也感觉被网络占据着大脑”。

Avoid nonessential tasks.

避免不重要的任务。