maintain的例句（maintain在句子中的用法）

• Only by keeping down costs will America maintain its competitive advantage over other countries... 只有通过控制成本，美国才能保持对其他国家的竞争优势。
• The paper has proved unable to maintain its circulation figures. 事实证明这家报纸难以维持其发行量。
• The UN at the moment is still trying to maintain the charade of neutrality. 联合国眼下还在努力摆出一副中立的假面孔。
• He was arguing with the King about the need to maintain the cavalry at full strength... 他正和国王讨论保留骑兵全部力量的必要性。
• Others maintain the violence is apolitical and the perpetrators are just gangs bent on defying authority. 其他人坚称该暴力事件与任何政党无关，行凶者只是意欲反抗权威的一伙人。
• Few people nowadays are able to maintain friendships into adulthood. 如今很少有人能将友谊维持到成年。