viable
able to be done, or worth doing
例句:Renewables are economically viable alternatives.
1）翻译下面的句子：
中国经济下行，许多 O2O 模式显得不再可行。
参考翻译：As China’s economy is going downhill, many online-to-offline (O2O) businesses no longer seem (commercially/economically) viable.
2）场景：谢天谢地，最后一个方法被证明在经济上是可行的。
造句：Thankfully, the last method proved economically viable.
