a positive in the negative

Losing that job was a disaster, but finding a new career path was a positive in the negative.

失去那份工作是一场灾难，但找到新的职业道路却是不幸之幸。

The cancelled flight was frustrating, yet the unexpected extra day in Paris turned out to be a positive in the negative.

航班取消令人沮丧，但意外在巴黎多待了一天却成了不幸之幸。

His failure in the exam was a positive in the negative because it motivated him to study harder.

他考试不及格是不幸之幸，因为那激励了他更努力学习。