杨先生说“电影也能出好点子”，现在他还在梦想着制作一把光亮的军刀，“但是工程是制作实实在在的有用产品的过程，而不是仅仅作为一个好莱坞电影的道具。”

"Movies may spark an idea," says Yang, who still dreams of making a light saber. "But engineering is the process of making a real product that is useful, not just as a Hollywood prop.

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无声电影要求的极具表现力的表演技巧不再重要，设计师则争先恐后地制作彩色的服装道具。

The over-expressive acting techniques demanded by silent films were dropped, and designers scrambled to work with colour materials.

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为了在电影中再现这艘风帆游艇，工作人员既为活动镜头制作了微缩模型，也在亚利桑那州尤马市的拍摄现场建造了全尺寸道具。

To capture the sail barge on film, it was constructed both as a miniature for shots of it in motion, and as a full-sized set built on location in Yuma, Arizona.

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