immoralities
n．不道德行为，道德败坏：违背道德规范的行为或行为模式。
例句
Youth and juveniles are the main part of immoralities on web.
青少年是互联网上不道德行为的重要主体。
Measures should be taken to reduce and even stop the immoralities of youth and juveniles on web.
应对症下药，采取措施减少并杜绝青少年网上不道德行为。
Measures should be taken to reduce and even stop the immoralities of youth and juveniles on we...
