基本服务

必要服务

essential reading───基础阅读

essential role───重要角色；至关重要的作用

essential skill───基本功

hospital service───医院服务

postal service───邮电业

senior service───（英国）皇家海军

social service───n.社会公益服务

financial services───金融服务；财务服务；金融理财

domestic service───n.（大宅内佣人做的）家务，家政服务；国内航线

Ensuring the safety of the food we eat is not a luxury.It's an essential service.───保证我们每日所吃食品的安全不是一种奢侈，而是必要的举措。

Ensuring the safety of the food we eat is not a luxury. It's an essential service.───因此，减少基本服务集合是平衡生存能力和性能代价的途径之一。

Risk-averse investors should stick with state general-obligation bonds or essential-service revenue bonds, which rarely default.───规避风险的投资者应该坚持持有美国政府一般义务债券或基本服务收入债券，这些债券很少有违约。

The special way for disabled person at the hall and main public areas. Provide the wheelchair, the special toilet and the essential service.───门厅及主要公共区域有残疾人出入坡道，配备轮椅，有残疾人专用卫生间或厕位，能为残疾人提供必要的服务。

Runtime monitoring and management has become an essential service for improving the performance and reliability of distributed computing.───运行时监控在提高分布式计算的性能和可靠性上，发挥了越来越重要的作用。

He and Heinemann indicated that Lawei Sita and the Omaha project are "the essential service facility" .───他和海涅曼均表示，拉维斯塔和奥马哈项目都是“关键业务设施”。

Take some time to really think about what you do. Do you provide an essential service?───花些时间认真考虑一下你的工作，你有没有提供关键性的服务？

He and Heinemann indicated that Lawei Sita and the Omaha project are "the essential service facility".

Gas is a desirable but not essential service.

And he gave it for his opinion, "that whoever could make two ears of corn, or two blades of grass, to grow upon a spot of ground where only one grew before, would deserve better of mankind, and do more essential service to his country, than the whole race of politicians put together. Jonathan Swift 

An alternative course would be to introduce general legislation to protect the public interest when an essential service is threatened.