one man's loss is another man's gain

... to take reasonable steps 采取合理的步骤 one man's loss is another man's gain 一人之失即是他人之得 Quizzes 英语小测验 ...

沪江博客 - 肖智利的博客 -... ... One hand washes the other 有来有往 One man's loss is another man's gain 有人赔才有人赚 ...