名词
中文翻译：Unknown
同义词：
['forerunner', 'predecessor', 'pioneer', 'forefather']
例句：
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1.The company's founder was a forerunner in the industry.
该公司的创始人是该行业的先驱。
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2. The new policy is a predecessor to the old one.
新政策是旧政策的前身。
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3. The ancient civilization was a forefather of modern society.
古代文明是现代社会的先驱。