Why does the government provide traffic signs on the road?
回答 (1)
2008-05-21 5:14 am
✔ 最佳答案
ensure the safety of both the pedestrains and the car - driversavoid car accidents
ensure the social security
參考: me
收錄日期: 2021-04-13 16:43:18
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https://hk.answers.yahoo.com/question/index?qid=20080520000051KK01174