例句與造句

1. during the middle months of the year the dollar closely tracked the official rate, with repeated triggerings of the convertibility undertaking and the purchase of a total of $ 51.5 billion worth of hong kong dollars by the hkma
   在年中幾個月內(nèi)，港元匯率貼近聯(lián)系匯率，兌換保證被多次觸發(fā)，金管局合共買入總值515億元的港元。
2. It's difficult to find triggerings in a sentence. 用triggerings造句挺難的