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今日短語
keep an eye on someone 監視；注意；留意
例句
The private school has found a new way to keep students under control. It installed cameras in its classrooms which allow parents to keep an eye on their children via the Internet.
那家私立學校已經發現管理學生的新方法。它在教室裝攝影機，讓家長透過網絡監視他們的小孩。
