The idiom "drop someone a line" has its origins in the practice of sending written correspondence, such as letters or notes, to maintain communication with someone. It likely developed in the context of postal communication, where sending a short letter or note was a common way to stay in touch with friends and family. As letters and written communication evolved into various forms, including email and text messages, the idiom "drop someone a line" was adapted to encompass these modern methods of communication.

“ drop somebody a line”的英语定义和含义

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