1·The typical school district lunch budget must be self sustaining, which makes lunchroom managers understandably risk-averse.
典型的校区午餐预算必须是自负盈亏的，这样一来就不难理解为什么餐厅经理不愿冒风险了。
2·Asia's emerging economies will be on a self-sustaining cycle of growth.
亚洲的新兴经济体会出现自我维持的循环增长。
—— 《柯林斯英汉双解大词典》
3·The circumstances that had allowed natives to become Romanized also led the self-sustaining military community of the frontier area to become effectively British.
使原住民成为罗马人的情况也导致边境地区自给自足的军事团体有效地成为了英国人。
4·One potentially cheap and self-sustaining method of halting the spread of bracken is to introduce natural enemies of the plant.
阻止蕨菜蔓延的一种潜在的廉价和自我维持的方法是引入该植物的天敌。
5·Water ice could enable the creation of a self-sustaining moon base someday, a mining camp perhaps, or a departure point for further space exploration.
某天水冻冰块可能会创造一个自给自足的月球基地，也可能是采矿营地，或者是更远的太空探索的起点。
6·These electrons get funnelled into a metal spherical receiver to produce a current, which generates the wire's magnetic field - making the system self-sustaining.
这些电子被引入一个球形金属收集器以产生电流，继而产生线圈的磁场——这样这个系统就可以自我维持了。
7·But none of these became self-sustaining in the way that science is today.
但是，上述群体中没有哪个象今天的科学一样不断自我延伸。
8·At present, students have to feed it chemicals to keep going but he hopes it will be both evolving and self-sustaining within a couple of years -a primitive form of synthetic life.
目前，研究者必须给它喂食化学物质，让它维持，但他希望，两年内，这个人造化学体系不仅能进化，还能自我维持，成为一种原始的合成生命形态。
9·The meanings of "mechanical" and "life" are both stretching until all complicated things can be perceived as machines, and all self-sustaining machines can be perceived as alive.
“机械”与“生命”这两个词的含义在不断延展，直到某一天，所有结构复杂的东西都被看作是机器，而所有能够自维持的机器都被看作是有生命的。
10·Nations that cannot get a self-sustaining recovery going, including China, face the risk of relapse.
无法实现自持性复苏的国家(包括中国)，将面临经济再度恶化的风险。