Remember: personal letters carry much more weight than form letters.

记住：私人信函比套用信函要有分量得多。

《柯林斯英汉双解大词典》

Even for personal letters, I'd rather use a computer than write by hand.

即使是写私人信件我也愿意用计算机而不愿用手写。

youdao

Personal letters written in a professional capacity today have adapted this affectation.

今天，涉及职业能力的私人信件采纳了这种习惯。

youdao

Bram Stoker's "Dracula" is told through the personal writings and letters of its characters.

VOA: special.2010.01.20

The envelopes had the look of personal letters: hand-addressed, without the printed logos of businesses, banks.

NEWYORKER: A Beneficiary

They could let data escape, or spend time on personal letters and spreadsheets.

FORBES: Facebook: Why businesses need to use it - and its new email client

Some of the files contained personal letters expressing final wishes of condemned prisoners.

BBC: Victims of Nazi anatomists named