571. in the red 亏损,负债,赤字
(be) get out of red 不再亏损
572. refer to…as 把…称做…
573. refer…to… (=send, take) 送交,呈交
574.with/in reference to(=concerning, about)关于
575. with/in regard to (=concerning)有关,关于
576. give one’s regards to sb. 向…问候
577. regardless of (=without worrying about, despite, in spite of) 不顾,不考虑
578. in/with relation to 关于, 有关
579. relevant to 与…有关的
580. to one’s relief 令…感到放心的是