card design feature的用法和樣例：
例句
- The design of multimedia courseware for pediatric teaching is crucial to the courseware quality and teaching results.
摘要多媒體課件設計是影響課件質量和教學效果的關鍵環節，各專業學科有其各自的特點。 - Perhaps the most successful piece is a dumbbell design cufflink with four black pearls suspended on a bar of pav?diamonds.
或許最成功的一件作品是一件設計成啞鈴型的袖扣，四顆黑珍珠懸挂在一個鑽石棒上。
