unprofitable
/ˌʌnˈprɒfɪtəbl/adjective
1- (of a business or activity) not yielding profit or financial gain（生意, 活动）无利可图的; 无利的：
the mines became increasingly unprofitable.
这些矿赢利越来越少。
1.1
- (of an activity) not beneficial or useful（行为）无用的; 无益的：
there has been much unprofitable speculation.
有许多无用的推测。
派生词