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。电影对此有专业解读
对于单价动辄大几十万且对应医疗机构手术分级中最高风险等级（四级手术）的人工心脏而言，其商业化推广难度更高。
Contrary to what some might think, a California king bed is actually less wide than a standard king–about 4 inches narrower. Those few inches are instead moved to the foot of the bed, making the California king the longest bed among the standard mattress sizes and suitable for very tall people.
38-inch width x 75-inch length