placement是放置的意思，而clip则是剪辑的意思，区别可以从以下例子看出：

I have finished these clips for this movie, how do you want me to do placementJust let me know as soon as possible, so I can finish it. 我已经完成了这部电影的这些剪辑，你想让我如何放置？ 请尽快告诉我，以便我完成它。