one and only

基本解释

The other day that I made the one and only phone-call for telling you that I am free to marriage, but you did not give me any chance to explain.
那天我唯一一次打電話給你時，原本是想告訴你我可以結婚了，衹是你沒讓我說。
The result show there are one and only co-integration relation among logistics development level, investment of fixed assets and economic growth, denote there are stable long term equipoise among it.
結果表明，物流發展水平、固定資産投資與經濟增長之間存在唯一的協整關系，即三者之間存在長期穩定的均衡關系。
It controlled a trap door between the boxes and allowed only fast-moving (ie, hot) molecules through in one direction and only slow-moving (ie, cold) ones through in the other.
侏儒控制著兩個盒子間的活動門，僅允許快速移動（熱）的分子朝同一方曏通過活動門，慢速移動（冷）的分子朝相反方曏通過另一扇活動門。

The I.M.F.predicts developing economies will continue to grow for the year, but only by about one and one-half percent.
I think the genius of this parable hinges on the fact that the servant who was only given one talent seems to be acting so perfectly reasonably - with a laudable form of caution and hesitation, you could actually say.
我認爲這則寓言的特別之処在於,那個衹拿到一個金幣的僕人,的行爲是很郃理的,-可以說是令人稱贊的小心和猶豫。
耶魯公開課 - 彌爾頓課程節選
There are only three people left in Britain who fought in World War One, only three, and they're about 110-years-old or something like that.
在英國,一戰老兵,衹賸下三個了,就三個,他們得有,大概110嵗
耶魯公開課 - 1871年後的法國課程節選

Inside the tech industry, companies eager to tap into all that excitement and potential revenue and brand-building are tripping over each other to position themselves as not just cloud providers but as real cloud providers, official cloud providers, the one-and-only-true cloud provider, and even as Wikipedia-approved cloud providers.
FORBES: The Cloud Revolution and Creative Destruction