Well, the odds must be against anybody being able to fly around the world in a balloon on the first attempt. All of us who are attempting to go around the world in balloons are effectively flying in experimental craft because these craft cannot be tested.
嗯，任何人第一次尝试乘气球环游世界的可能性都不大。我们所有试图乘坐气球环游世界的人都是乘坐实验飞行器，因为这些飞行器无法进行测试。
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