我信步朝果园的矮墙走去，在拐角处转了弯，这里有一扇门，开向草地，门两边有两根石柱，顶上有两个石球。
I had coasted along the lower wall of the orchard -- turned its angle: there was a gate just there, opening into the meadow, between two stone pillars crowned by stone balls.
假如你现在正在参加游戏节目，这里有三扇门，其中一扇门后是奖品，另外两扇门后是煤，主持人知道那扇门后藏着奖品。
You are on a game show. There are three doors. Behind one of them is a prize; the other two have coal. The host knows which door holds the prize.
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