“自给自足”常见的英文表达有 self-sufficient 和 self-supporting，具体释义和用法如下：
self-sufficient
释义：强调能够满足自身需求，不依赖外界帮助，在经济、生活等方面实现自给自足。
例句：
This small village is largely self-sufficient, growing most of its own food.（这个小村庄在很大程度上实现了自给自足，大部分食物都是自己种植的。）
They aim to create a self-sufficient community that doesn't rely on external resources.（他们旨在创建一个不依赖外部资源的自给自足社区。）
self-supporting
释义：侧重于表示自身有支撑能力，在经济上能够自立，不依赖他人或外部资助。
例句：
After years of hard work, she finally became self-supporting.（经过多年的努力，她终于实现了经济自立。）
The project is designed to be self-supporting through ticket sales.（该项目计划通过门票销售实现自给自足。）