Beneficial是一个形容词，表示“有益的，有利的”。下面是一些关于beneficial的用法例句。

1. 健康的饮食习惯对身体非常有益。

A healthy diet is very beneficial for the body.

2. 定期锻炼可以提高身体的免疫力，这对于预防疾病非常有利。

Regular exercise can boost the body's immune system, which is very beneficial for preventing diseases.

3. 学习外语对于扩大视野和提高职业发展非常有益。

Learning a foreign language is very beneficial for broadening one's perspective and improving career development.

4. 有一个良好的沟通技巧对于建立良好的人际关系非常有利。

Having good communication skills is very beneficial for building good interpersonal relationships.

5. 持续不断地学习新知识可以提高个人的技能和竞争力。

Continuously learning new knowledge can improve one's skills and competitiveness, which is very beneficial.