second research

• 第二手研究

second research的用法和样例：

例句

1. Papers should not simply distill information from other secondary studies since the point of this exercise is to give students experience in doing first-hand historical research.
   论文不能只简单提取第二手研究的信息，因为这作业的重点是要学生得到第一手历史研究的经验。