额外补助对大多数单身母亲来说都是赖以生存的生命线。
一些基本的生存技巧知识会带给你一线希望。
Knowledge of some of the basic survival techniques will give you a fighting chance.
尽管他们还有一线生存的希望，但是更有可能的是再也难见天日了。
They had a chance at survival but it was more likely that they would never see daylight again.
良好的信誉，优质服务和质量是企业生存的生命线。
Good reputation, quality service and quality is the lifeline of business survival.
水是人类生存的基本条件，又是国民经济的生命线。
Water is primary condition of the human survival and lifeline of the national economy.
耕地是人类赖以生存的生命线。
耕地是人类赖以生存的生命线。
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