The adoption of these resources and activities alone may not achieve real gains in learning outcome and changes in learn然而单单采用这些内容及形式不一定能真正提升学习成果，甚至可能变成没意义的负担。
The study suggests that the application of video-recording related instruction as teaching aid has its positive effect a本研究发现实施录影辅助教学于大班制英语教学情境之口说活动中对增强学习效果有其正面之影响。