fuzzy expression

例句：

1. 1. The fuzzyexpressions in the text made it difficult to understand.
   文本中的模糊表达使得理解变得困难。
2. 2. Fuzzy expressions can be used to describe things that are not clearly defined.
   模糊表达可以用来描述那些没有明确定义的事物。
3. 3. In fuzzy logic, the goal is to create models that can handle uncertain and imprecise data.
   在模糊逻辑中，目标是创建能够处理不确定和不精确数据的模型。