形容词
中文翻译：有先例的
同义词：
['precedent-bearing', 'precedent-setting']
例句：
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1. The decision was based on a precedential case that had been decidedin the past.
这个决定是基于一个有先例的案例，这个案例在过去已经被决定了。
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2.The new law is precedentialto the previous one, setting a newstandard for the industry.
新法律是前一法律的先例，为该行业设定了新的标准。
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3. The judge's rulingwas precedential, settinga precedent for future cases.
法官的裁决是先例性的，为未来的案件设定了一个先例。