i think _______is an important bridge between young people and old people in our life

问题描述:

i think _______is an important bridge between young people and old people in our life

friendship

communication 沟通, 交流
不懂追问*^__^* 请采纳,谢谢!

it

age

communication 沟通,交流
不懂追问*^__^*