In the old days they used to bring letters of introduction.

以前他们往往携带介绍信来这里。

youdao

I shall just give you letters of introduction to all the people I know there.

我要为你写介绍信，介绍你给所有住在那里的我认识的人。

youdao

Framton wondered whether Mrs. Sappleton, the lady to whom he was presenting one of the letters of introduction came into the nice division.

弗兰姆顿想知道，他拿着信来拜访的这位萨普顿夫人是不是属于那种有教养的人。

youdao

So I've given this first lecture a title, the title being "Milton, Power, and the Power of Milton," because any introduction to Milton has to confront the long-standing conviction in English letters of Milton's power or his strength as a poet.

所以我给这第一场讲座起名叫做，米尔顿，力量，以及米尔顿的力量“,因为只要要介绍米尔顿，就无法绕开,米尔顿作为诗人的力量,这一英国文学一直以来的话题。

耶鲁公开课 - 弥尔顿课程节选

In his pocket he had letters of introduction to Braque, Giacometti and other idols.

ECONOMIST: Obituary