Keep open: If you redistribute the database, or an adapted version of it, then you may use technological measures that restrict the work (such as DRM) as long as you also redistribute a version without such measures.
保持開放：若您轉散佈資料庫，或是其改編版本，那麼您可以使用限制作品使用方式的技術（如DRM），但您必須同時轉散佈沒有這類限制的版本。