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.
一个设计良好的系统应该易于使用、易于理解和易于修改。
权力不是工具,而是一种关系。它存在于人与人之间,而不是人本身。