例句：

　　We carry a range of educational software.

　　我們出售各種教育軟件。

　　Educational success is mediated by economic factors.

　　經(jīng)濟因素影響著教育的成功。

　　Educational practice is liable to sudden swings and changes.

　　教育實踐活動易出現(xiàn)突然的轉(zhuǎn)向和變化。