短语词组短語belt -tighten 實行緊縮政策tighten belt 節省開支tighten its belt 釦緊安全帶;這裡指公司緊縮開支tighten ones belt 過緊日子;嚴格控制經濟;節制Tighten the belt 勒緊褲腰帶;省喫儉用;系緊皮帶tighten your belt 勒緊腰帶;勒緊褲腰帶;節衣縮食tighten their belt 勒緊腰帶 返回 belttighten