【每日一词】D86 viable

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。

As China’s economy is going downhill, many online-to-offline (O2O) businesses no longer seem (commercially/economically) viable.

2）场景：

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。