The company decided to eliminate the subject line on messages after its research showed that it was most commonly left blank or used for an uninformative "hi" or "yo. "

这家公司决定在信息中删除主题行，因为经过他们的调查，人们一般都不怎么使用主题行，或者在主题行里只写干巴巴的“嗨”或者“喂”。