那城市有自己的公用圖書館和公園。
Law and order are necessary for a peaceful society.
法律和秩序對于社會安寧是必需的。
Let's hide ourselves behind the door and startle her.
藏在門后面,咱們嚇她一下。
She feels very insecure about her marriage.
她對自己的婚姻缺乏信心。
The police reassured her about the child's safety.
警察讓她放心,她的孩子很安全。