You know foundationally how the other person feels about almost everything.

你基本上知道他/她对几乎所有事情的感受。

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It's a two-way street in which you are generally concerned with how the other person is doing.

那是一条“双向道”，你是真正地在关注对方的一举一动。

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It's how the other person or group, or even if it's a large entity, feels as a result of your communication.

而是指他人或团队，甚至是规模更大的组织，与你沟通后所留下的感觉。

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In other words, the person wants to ask, "How much i prime and how much j prime do I need to build up the vector A?"

换句话说,有人会问,"我需要用多少倍的 i' 和多少倍的 j',来组成矢量 A"

耶鲁公开课 - 基础物理课程节选

It makes it more important for people to know how the other person actually behaves.

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But do you think about how it makes the other person feel?

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Remind yourself that reciprocity is not about what you need but what the other person needs and how you can give that to them.

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