为什么go home,中间不加to,但welcome to my home却加to?

HOME 名词 n。1。家,住家[C][U]Now he has his home in Manchester。他现在定居在曼彻斯特。2。家庭,家庭生活[U][C]He is planning to establish a home。他正计划建立家庭。3。(动植物的)生息地,产地;发源地[the S][(+of)]New Orleans is the home of jazz。新奥尔良是爵士音乐的发源地。4。故乡;祖国[U]I am now far from home。我现在远离家了。5。收容所;养育所;疗养所[C]He spent his last years in a home for the aged。他最后的几年是在养老院度过的。6。【体】(赛跑等的)终点7。【棒】本垒副词 ad。1。在家;回家;到家;回本国The delegation will be home next week。代表团将于下周回国。2。中要害;深入地He drove the nail home。他把钉子敲到头。形容词 a。[B]1。家庭的This is my home phone number。这是我家的电话号码。2。本国的,国内的;故乡的These products are for home sale。这些产品是供国内销售的。3。总部的Our home office is in New York。我们的总部设在纽约。4。(体育比赛等)在本地举行的;本地的The home team won the game。主队赢得了比赛。home作副词讲所以不用介词towelcome to my home 中home 作名词,所以要加