I nodded, hoping, once again, that he'd feel my head nodding without the need for words.

我点点头，再次希望他可以感觉到我在点头，那样我就不用说话了。

Okay, I see a lot of heads nodding.

我看到很多人在点头。

I see a lot of heads nodding. How many agree?

都在点头啊 有多少人赞同？

Poor people also have a greater ability to assess the emotional states of others, have more interpersonal interactions, greater eye contact, head nodding and laughing.

穷人也有更强的评估他人情绪状态的能力，进行更多的人际交往，更多的眼神交流，经常会点头示意和大笑。