評論
打印
重點講解：
1.keep track of 追蹤；記錄
例句：However, the local switch can only keep track of its own local numbers local numbers.
不過，本地開關只能記錄其本地號碼。
2.once in a decade 十年一遇
例句：Flying to Europe will come once in a decade rather than once every year or two.
飛去歐洲旅行將不是一年或兩年一次，而是十年一遇。
3.seal the deal 達成協議
例句：The administration sent Ellen O.Tauscher, the undersecretary of state for arms control, to Geneva to help seal the deal, they said.
他們說，政府已派國家軍備控制副部長艾倫去日內瓦協助達成協議。
4.come on board 入伙；合作
例句："First he told me it was a stupid idea,and then he agreed to come on board. "
一開始他告訴我這個想法真愚蠢，后來他才答應一起合作。
