求翻译：影片除了以对话式的剧情为主外，还利用关键物品推进剧情。本片中的关键物品分别是：钥匙、信和丝袜。这三件物品在案情的发展中起着关键性作用，信和丝袜是栽赃的关键物证，缺一不可，不过这些都需要网球手的谎言来补充。只有钥匙才是电影中的关键一环，决定着人物的命运。就是因为网球手对钥匙判断失误，误以为校友兜中的钥匙为自己家钥匙，才让探长看出了他的破绽，让以前所有布置以及谎言全部功亏一篑。看见成功学人士常说的“细节决定成败”是很有道理的：一个小小的钥匙，让网球手前功尽弃。是什么意思？

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The movie besides converses -like the plot primarily, but also uses the essential goods advancement plot.This piece of essential goods respectively are: Key, letter and silk stockings.These three goods are playing the crucial role in the case development, the letter and the silk stockings are the es

Outside the plot of the movie in addition to dialogue-and have used key articles advancing the plot. The critical items in this film are: keys, letters and silk stockings. The three objects play a key role in the development of the case, and stockings are the key to frame someone exhibits, are indis