每日一詞: keep track of 追蹤；記錄You need to keep every receipt to keep track of the money you have spent. 你必須保留每張收據以記錄你花了多少錢。 ... <看更多>
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每日一詞: keep track of 追蹤；記錄You need to keep every receipt to keep track of the money you have spent. 你必須保留每張收據以記錄你花了多少錢。 ... <看更多>