1. on the back of 緊接著；在……基礎上
The advertising agency secured the contract on the back of its previous successful campaigns.
這家廣告公司能拿下那份合約得益于此前成功的廣告宣傳活動CqP;gv3BOWD50Rbtvuc。

2. pledge to do sth. 做……的承諾
The EU could time such a pledge to grant aid to Portugal.
歐盟委員會將擇機做出向葡萄牙提供經(jīng)濟援助的承諾[i]hZMop#BHD_。

3. saddled with 背負著
For recent graduates who are saddled with debt and struggling to buy a home, the last thing they would care about is pension planning.
對最近畢業(yè)的，為買房負債累累，心力交瘁的大學生來說，養(yǎng)老金是他們最后才會考慮的事情,QgU|SBv.X。

4. fulfill one's promise of 兌現(xiàn)承諾
The president fulfilled his promise of announcing a date for the referendum.
總統(tǒng)履行了他宣布公投日期的承諾9bpRwlYAkJB@。