利己地

例句：

1. 1. He always thinks about what's best for himself, rather than others.
   他总是考虑对自己最好，而不是其他人。
2. 2. She has a strong sense of self-preservation and is often seen as being selfish.
   她有很强的自我保护意识，常常被视为自私。
3. 3. In his pursuit of personal gain, he neglected the needs of those around him.
   在追求个人利益的过程中，他忽视了周围人的需求。