580. to one’s relief 令…感到放心的是

579. relevant to 與…有關(guān)的

578. in/with relation to 關(guān)于, 有關(guān)

577. regardless of (=without worrying about, despite, in spite of) 不顧,不考慮

576. give one’s regards to sb. 向…問候

575. with/in regard to (=concerning)有關(guān),關(guān)于

574.with/in reference to(=concerning, about)關(guān)于

573. refer…to… (=send, take) 送交,呈交

572. refer to…as 把…稱做…

571. in the red 虧損,負(fù)債,赤字 (be) get out of red 不再虧損