The supervision on a case has definite evidence of law and plays a key role in the judicial process positively.

个案监督有着明确的法律依据，并且在司法实践中发挥着积极的作用。

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In the absence of definite evidence the prisoner was set free.

因缺乏确凿证据，囚犯被释放了。

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No definite evidence exists to support that the patient suffers from angina.

没有明确的证据证明病人患心绞痛。

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By 1944, the American Cancer Society began to warn about possible ill effects of smoking, although it admitted that "no definite evidence exists" linking smoking and lung cancer.

CNN: A brief history of tobacco