视频对话：
I was instrumental in that move.
我是整件事的经手人。
You fired him.
你炒了他。
I facilitated a necessary change.
我只是做了些必要调整。
本期学习词汇：
facilitate
vt.促进，助长；使容易；帮助
例句：
1. Numerous diagrams facilitate and ensure comprehension.
里面有很多插图帮助您理解本书的内容。
2. You could facilitate the process by sharing your knowledge.
运用你的知识你可以促进这一进程。
3. Documentation to facilitate negotiations among parties.
便利缔约方谈判的文件。