used in coordination with 我 wǒ or 他 tā to indicate multiple people or reciprocal actions

(bound form) feeling; emotion; sentiment; affection; as in 感情 gǎn​qíng or 心情 xīn​qíng

used in combination with 你 nǐ to refer to people in general or reciprocal actions (e.g. 你来我往 nǐ​lái​wǒ​wǎng)

To be willing or happy to do something; to consent to something because it matches one's own desires.