There is no doubt that other countries use comparative-effectiveness research as the basis for rationing.
毫无疑问，其他国家只是在一定范围内使用比较有效性研究。
This comparative advantage must meet the reality and achieve the effectiveness.
比较优势具有现实针对性和有效性。
This comparative advantage must meet the reality and achieve the effectiveness.
比较优势具有现实针对性和有效性。
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