还有，要抑制长篇大论的冲动：商务电邮最好简短；相当于一页纸左右的量就足够了。

And resist the urge to write a book. Business e-mails are better off short; the equivalent of a page or so is sufficient.

youdao

这是一封信，有一页半的A 4纸那么大，布满着密密麻麻的笔迹，已褪色的蓝墨迹使它看上去更加陈旧。

It's a letter. A side-and-a-half of ruled A4, filled with cramped handwriting whose faded blue ink makes it look as old-fashioned as it sounds.

youdao