His comments provided a focus for debate.

　　他的評論提供了辯論的重點(diǎn)。

　　The debate was highly emotional at times.

　　辯論有時(shí)非常情緒化。

　　We need to shift the focus of this debate.

　　我們需要轉(zhuǎn)換一下辯論的焦點(diǎn)。