unessential

基本解释

And so to live simply is to rid your life of as many of the unnecessary and unessential things as you can, to make room for the essential.
所以简单生活就是尽可能地处理掉那些没有必要的和不重要的东西，为重要的东西留存空间。
New photographers often include too many elements in their images and can often improve their composition by removing unessential elements.
新手摄影师通常在他们的照片中加入太多的要素，要把不必要的要素去掉才能提高他们的构图水平。
If you're not satisfied with your current design, start by stripping away all the unessential elements. You will find that what remains is usually quite good.
如果你对当前的设计不是很满意，那就从剔除那些不必要的元素开始，你会发现剩下来的通常都是相当不错的。