Construction of a multi-layer social security syst

英 [Construction of a multi-layer social security syst]
美 [Construction of a multi-layer social security syst]

中文释义

建立多层次的社会保障制度

单词分析

单词结构：

Construction of a multi-layer social security syst

字母数：50

记忆提示

🎯 重点记忆：

  • 单词拼写：Construction of a multi-layer social security syst
  • 核心含义：建立多层次的社会保障制度

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更新时间：2026-02-05 23:57:32