Coach too should have a knowledge of first aid.

教练也要有紧急救护知识。

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It shows that knowledge of first aid can make a real difference.

这表明懂得急救知识的确能发挥重要作用。

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Having a learning experience is essential for improvement of first-aid knowledge. Cardiac resuscitation is recommended to be strengthened especially among the elderly and those with low education.

学习经历对于提高急救知识水平非常重要，需加强心肺复苏知识的宣传，尤其在老年、低学历等人群中；

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