mean density

例句：

1. 1. She is known for her meanness towards others.
   她因对他人的吝啬而闻名。
2. 2. The poor man was so mean that he refused to give a penny to the needy.
   这个穷人如此吝啬以至于他拒绝给需要的人一分钱。
3. 3. The company's CEO is often criticized for his mean business practices.
   该公司的首席执行官因其吝啬的商业行为而经常受到批评。