回複：pjiang 老師，看看我的這個REFER該如何回答？

來源: 於 2007-09-05 08:11:24 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

You found yourself was more interested in Biology, so you made the change.

If you're back is Physics now, you can explain that you dropped Biology because it's not easy as you thought to get in a new field.