题目

Turning strangers into neighbors and streets into neighborhoods, Neighbors Day Aotearoa is back for the third year as a national celebration of neighborliness. Neighbors Day Aotearoa (NDA) on 23 — 24 March will give all Kiwis a great opportunity to connect with others in their immediate neighborhood. Over the weekend, thousands of neighbors all around the country will gather together to get to know each other, and make connections and support systems that will continue to enrich their lives long after the weekend has ended. A shining example of neighborly spirit inspired by NDA is Vi 若f(z)＝2z＋－3i，f(＋i)＝6－3i，试求f(－z)．