物质的

例句：

1. 1. The substance of the matter is that we need to work together.
   事情的本质是我们需要共同努力。
2. 2. The material was so poor that it could barely hold its shape.
   材料非常劣质，几乎无法保持形状。
3. 3. The tangible evidence of her guilt was the missing ring.
   她有罪证物是那枚丢失的戒指。