无重量性

例句：

1. 1. The new design is characterized by its non-weightiness.
   新设计以其非重量性质而著称。
2. 2. The material has a non-weightiness that makes it easy to handle.
   这种材料具有非重量性质，使得它易于处理。
3. 3. The concept of non-weightiness is often used in discussions about sustainability.
   非重量性质的概念常用于讨论可持续性问题。