Put a brief explanation of the nature of the E-mail (like "question about paper") in the subject line.

请在标题栏中给邮件性质写一个简短的说明（就像“关于论文的问题”）。

youdao

I've also tried to build a culture that understands writing brief e-mails is not emotional coldness.

我也尝试建立一种能理解简洁的电子邮件并不是感情冷漠的文化。

youdao

Communication can be brief - five minutes on the phone or several sentences in an E-mail.

不要过分给朋友打电话和发邮件，使用简短的交流——5分钟电话或者几句话邮件。

youdao

Together with Leigh Thompson of the Kellogg Graduate Business School at Northwestern University, and several other academics, Mr Morris studied mock negotiations that used only e-mail and compared them with ones preceded by a brief getting-to-know-you telephone call.

ECONOMIST: Negotiating by e-mail | The