All of these disciplines have changed so much in recent years that i cannot image people climbing over departmental walls and specialty boards so easily 这几年来，所有这些学科都发生了深刻的变革，我想象不到人们竟能这么轻易地跨越学科门类和专业的障碍。
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All of these disciplines have changed so much in recent years that i cannot image people climbing over departmental walls and specialty boards so easily 原译：所有这些学科在近年来变化如此之大，我真难以想象我们何以能够容易地跨越科学的高墙和不同的专业舞台。
