据说书信电报费最便宜。

I was told the letter telegram is the cheapest.

youdao

不过，正如你所知道的，书信电报会比较便宜。

But as you know "LT" will make it cheaper.

youdao

您想发什么样的电报？平电、急电还是书信电报？

What kind of telegram do you want to send? Ordinary, urgent or letter?

youdao

您想发什么样的电报？平电、急电还是书信电报？

What kind of telegram do you want to send?

youdao

您想发什么样的电报？平电、急电还是书信电报？

What kind of telegram do you want to send?

youdao