adj. 可行的，值得做的

翻譯：With the xxxx of China's economy, many O2O modes seem not to be viable.

翻譯參考：As China's economy is going downhill, many O2O businesses no longer seem economically/commerically viable.

造句參考：Starbucks' new store in this fourth-tier city has proved commercially viable.

Renewables are economically viable alternatives.

To keep its design pipeline full of viable new ideas, the firm must constantly forecast the computer industry's direction.