劍橋詞典if, or only if 如果；衹要 He's welcome to come along, provided that he behaves himself. 他衹要守槼矩就歡迎他來。 例句 We'll be there at about 7.30, provided that there's a suitable train .Provided that there are enough seats , anyone can come on the trip .Provided that the boat leaves on time , we should reach France by morning . 返回 provided (that)