使不必要：采取措施或行动，使某事物不再必要或不再需要。
You must not make unnecessary changes this week.
这周不必特意去改变什么。
Research suggest that your first-time visitors are "hunting," not "deciding," so do not make unnecessary demands for clicking, scrolling, resizing Windows or anything else.
研究表明，你的第一次游客“打猎”，不是“决定”，因此没有就点击，滚动，缩放窗口或任何其他不必要的要求。
This again will make unnecessary the downloads of Skype software and setting up of accounts, which has been required up to now and which surely deterred many millions from trying this useful service.
这样就不用下载skype软件和注册账号了，这正是skype直到现在还要求的，正因为此使得数以百万计的用户对这项有用的服务望而却步。
But which I think despite the fact that there may be points of contact between the spiritual aspects of making art and clearly religion, I think it's a rather unnecessary demand to make of a piece of art.
不过我认为，虽然,艺术创作的精神层面和宗教,很明显有一些共同之处，但并没有必要,对艺术作和宗教一样的要求。
人性课程节选 : 普林斯顿公开课
It might make unnecessary a more interventionist policy in which the government tries to dictate how funds are governed.
The worse thing you can do to a successful brand, loved by its customers, is make unnecessary changes, in my experience.
FORBES: Speed-Dating Is The Worst Thing That Can Happen To Your Brand
Without knowledge and care, a responsive website can make unnecessary server requests and download images scaled for a desktop on a mobile device.