问题描述：
the doctor has tried his best,but he doesn't____ any hope of the patient's recovery.
A hold out B hold on
请问此句翻译中文意思是?hold out 和hold on区别在哪?
A hold out B hold on
请问此句翻译中文意思是?hold out 和hold on区别在哪?
问题解答：
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