1. Turner said Houston, the fourth-largest U.S. city, was making progress in restoring service despite a lack of repair supplies and enough people to do the work.
a lack of 缺乏
She was intelligent but suffered from a lack of ambition.
她很聰明,但卻缺乏遠大志向
。2. Judge Merrick Garland, who is set to appear Monday before the Senate Judiciary Committee, is expected to tell senators that the attorney general must act as a lawyer for the people of the United States
act as 擔任…角色
My previous boss will act as a reference for me.
我的前任上司將做我的推薦人
。