1·Different levels of formality are appropriate in different situations.
不同程度的注重礼节适用于不同场合。
—— 《牛津词典》
2·Schools in our city provide a variety of optional classes to cater to students of different levels.
我们市里的学校提供各式各样的选修课，以满足不同水平的学生。
3·What's interesting is that birds have different levels of performance of these distraction displays.
有趣的是，鸟类在干扰注意力方面有不同程度的表现。
4·To make summer reading easy, we have selected interesting and knowledge filled articles of different levels.
为了使暑假阅读变得容易，我们选择了不同级别的有趣且知识丰富的文章。
5·Each recording had a series of rhyming words that the volunteers had to identify for different levels of background noise.
每段录音都有一系列押韵的单词，志愿者们必须在不同程度的背景噪声下识别这些单词。
6·What is more significant than any geographical spread is the access that different levels of society had to good-quality products.
比地理上的广阔分布更重要的是，社会的不同阶层都能够获取这种高质量的产品。
7·'Register' is the term commonly used to describe different levels of formality in language.
“语域”是一个术语，通常用以描述语言中用语的正式程度。
—— 《牛津词典》
8·There are four different levels of trees in a rainforest.
雨林中有四种不同层级的树。
9·There are simple seats on three different levels all around the sides.
四周有三个不同高度的简易座位。
10·Supporting different levels of complexity.
支持不同的复杂性级别。