1.be able to 能夠
例句:We want a man who must be able to cost.
我們需要一個能計算成本的人
。2.be part of 成為…的一部分
例句:Business representatives should also be part of this group.
商業代表也應該是這個組的一部分
。3.additional cost 額外費用
例句:Upgrades to the security suite will more than likely be at additional cost, however this is still speculation.
升級到安全套裝很可能要付出額外費用,這只是推測
。4.for the better 好轉
例句:His illness has taken a turn for the better.
他的病有了好轉
。