X is the saddest in the world of letters, because their happiness after each other further and further away.

是世界上最悲伤的字母，因为他们幸福过后，彼此越走越远。

youdao

The Recording Angel responsible for the world of letters still doubtless raises an eyebrow at the curious company some good writing keeps.

负责记录文学界事务的天使对于那些与某些好作品相伴而生的稀奇古怪难以理解的东西仍无疑感到惊奇。

youdao

That includes letters of recommendation from all over the world, and written by, yes, men and women.

其中包括来自世界各地的推荐信，当然，男性和女性都有撰写。

youdao

Legally, that's correct, but you see cases in letters and all kinds of stuff from the Ancient World that women actually were more unofficially part of their husband's house.

法律上是这样的，但是从古代书信,及其他各类文献中发现,女子更像是丈夫家中的非正式成员。

耶鲁公开课 - 新约课程节选

He complained a lot during the marriage but all the time he was conquering the world of letters.

NEWYORKER: Practical Cat

The paper was just three pages long, and it introduced what would arguably become the most famous string of letters and numbers in the world.

NPR: E=mc? at 100

Emoticons, which represent moods and facial expressions using a combination of punctuation marks, numbers and letters, are the darling of the texting world.

FORBES: As Deficit Soars, Congress Suggests New Tax On Text Messages