Be a pro. Back up your back up. Have at least one physical backup and one backup in the cloud. Have more than one of each. How much would you pay to retrieve all your data， photos， notes， if you lost them？ Backups are cheap compared to regrets.

I like everything that has no style: dictionaries, photographs, nature, myself and my paintings.

跨行业合作是解决能源转型复杂挑战的关键。

The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.

我不是老师，我是学生。