긴급하지 않은 통신에 사용되던, 비용이 저렴한 지연 전보 서비스의 한 종류.
An abbreviation for 'letter telegram,' a type of deferred, lower-cost telegram service often used for less urgent communications.
예문:
"Before email, sending an LT was a common way to communicate across long distances without the urgency and high cost of a full-rate telegram."
"The old archives contained several important LTs detailing business negotiations from the 1940s."
"We opted for an LT instead of a standard telegram because the message didn't need to arrive until the following morning."