词：viable
= workable, applicable, feasible, operable, practicable, usable
英英释义：able to be done, or worth doing
例句：Renewables are economically viable alternatives.
翻译：
中国经济下行，许多 O2O 模式显得不再可行。
As China is experiencing an economic downturn, many O2O modes/businesses seem no longer viable.
参考翻译：As China’s economy is going downhill, many online-to-offline (O2O) businesses no longer seem (commercially/economically) viable.
搭配：
viableviableadj.[搭配]VERBS
be, prove, seem, sound 可行；证明可行；看起来可行； 听起来可行:
None of the projects proved financially viable. 这些项目没有一个证明在财政上是切实可行的。
become 变得可行
remain 保留生存力
make sth 使…可行:It is only their investment that makes the programme economically viable. 因为他们的投资，这个项目在经济上才得以通过。
consider sth, regard sth as 认为某事可行
[搭配]ADV.
extremely, truly
切实可行
perfectly
完全可行:a perfectly viable form of political organization 一种完全可行的政治组织模式
potentially 可能可行
still仍然可行
no longer 不再行得通
commercially, economically, financially 商业上可行；经济上可行；财政上可行
造句：
背景：
在川普的努力下，他那个看上去完全不靠谱的靠在边境线上建墙以防止非法移民的计划已经从不太可能的事情变成了一件可能会付诸实现的事。这是第一次让我觉得生活也是可以高于艺术的。
句子:
After Trump's "hard work", his plan to prevent illegal immigration by building a wall at the border between the US and Mexico, which seemed far from viable, has already turned from something lacking in possibility into one that may be put into execution. This is the first time I feel that life can go beyond arts.
