可有可无的

Clean water is an indispensable resource for every living creature on this planet.
清洁的水是这个星球上每个生物不可或缺的资源。
A good pair of shoes is indispensable for a long hike.
一双好鞋对于长途远足来说是必不可少的。
Time management skills are indispensable in today's fast-paced work environment.
在当今快节奏的工作环境中，时间管理技能是不可或缺的。
A first-aid kit is indispensable when going camping or hiking.
出去露营或徒步时，急救包是必不可少的。
Education is indispensable for the development of individuals and societies.
教育对于个人和社会的发展是不可或缺的。
A reliable internet connection has become indispensable for remote work.
稳定的互联网连接对于远程工作来说是必不可少的。
Empathy is an indispensable quality for anyone working in customer service.
同理心对于从事客户服务的人来说是一种不可或缺的品质。
A strong password manager is indispensable in maintaining online security.
强大的密码管理器对于维护在线安全是不可或缺的。
Regular exercise is indispensable for maintaining physical and mental health.
定期锻炼对于保持身心健康是必不可少的。
Critical thinking skills are indispensable tools for problem-solving in any field.
批判性思维技能是在任何领域解决问题不可或缺的工具。