1. The economy of the country is not viable.
    这个国家经济是难以维持的。

1. viable

1. 能活的：viability 可行性 | viable 能活的 | viaduct 高架桥

2. viable

2. 能生的：viability 生存力 | viable 能生的 | vibex 线状瘀血斑

3. 有生存力的：viability 生存能力 | viable 有生存力的 | viaduct 高架桥;高架铁路;栈道

1. 切实可行的;能办到的
    Something that is viable is capable of doing what it is intended to do.

viable的反义词

    e.g. Cash alone will not make Eastern Europe''s banks viable...
           仅靠现金不能使东欧的银行维持下去。
    e.g. The goal has been to establish and sustain a nation of viable family farms.
           目标是要建立一个能够使家庭农场得以存续的国家，并使其维持下去。

2. 能存活的;能生长发育的
    Foetuses, seeds, or eggs are described as viable if they are capable of developing into living beings without outside help.

    e.g. Five viable pregnancies were established.
           已确定5个胎儿能够成活。

1. capable of life or normal growth and development

    e.g. viable seeds
           a viable fetus

2. capable of being done with means at hand and circumstances as they are

    Synonym: feasibleexecutablepracticableworkable