relevance feedback的用法和样例：
例句
- Initially he will be given continuous supportive feedback.
开始将给他连续的支持性反馈。 - They have dealt with negative feedback and failure, tough personal choices, and phases of unpopularity.
他们也处理负性反馈和失败，艰难的个人选择，和不受欢迎的时候。
词汇搭配
- feed back 反馈
