Hwang points out that the round-trip journey alone takes up seven days, so that besides the extreme physical tests and the isolation and difficulty of the environment, there is also an investment of time. How many researchers are willing to accept such a "low return on investment"?
黃美秀說，走一趟大分，光路程來回就需要一星期，極端的體力考驗和孤寂艱苦的環境之外，還有「時間」的投資──有多少學者願意做這種「投資報酬率」極低的研究？