Manyblindpeopleuseguidedogstohelpthemgetsafelyfromplace...
問題詳情:Manyblindpeopleuseguidedogstohelpthemgetsafelyfromplacetoplaceandtowarnthemofdanger.Butwhatcanblindpeopledoiftheyareallergic(過敏的)todogsorjustdon'tlikethem?Forsomepeople,theanswerisprovided...