The cardiac pacer costs a lot for the serious patients and brings them tremendous burden both in economy and life.
对于重度的患者，安装心脏起搏器价格昂贵，给病人的生活和经济带来了极大的负担。
The cardiac pacer costs a lot for the serious patients and brings them tremendous burden both in economy and life.
对于重度的患者，安装心脏起搏器价格昂贵，给病人的生活和经济带来了极大的负担。
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