unviable
🇺🇸
/ˌʌnˈvaɪəbl/
🇬🇧
/ˌʌnˈvaɪəbl/
adjective
R
not able to be done or continue; not practical or possible
The plan to build a new highway was deemed unviable due to the high cost.
由於高成本，修建新高速公路的計畫被認為不可行。
translation
不可行的