Unit 360 Should I buy that second hand car?我應該買那輛二手車嗎?
    Can you help me make up my mind?
    Should I buy that second-hand car?
    Don't waste your money.
    second-hand 二手的
    firsthand 一手的
    I bought my living room fumiture at a second-hand store.
    It's no firsthand information, so I don't believe it.