This result suggests that exploratory search would require more high-level cognitive activities, such as reasoning, decision making and so forth.

说明探索性搜索需要更多的推理、决策等高级认知活动。

youdao

"I will be filing papers today to create a presidential exploratory committee, " the Illinois Democrat said, adding that he will announce his final decision February 10 from his hometown of Chicago.

CNN: Obama to form panel to explore presidential bid