Isn't it time for some recycling, i.e. reusing the same global StringBuilder for every email received?

这不是用于循环的时间吗，从新使用一个全局性的Stringbuilders为每一个收到的email ？

youdao

Consider: every text message sent, every email received, every snap of a camera or camera phone, every slip of video Shared amongst friends.

想一想，每一条发出去的短信，每一封email，每一个照相机或是照相手机的快门，每一段朋友们分享的视频—把这些都算上。

youdao

Ray Tomlinson created the first email system before he received a Bachelor of Science in electrical engineering.

雷·汤姆林森在获得电子工程学士学位之前创建了第一个电子邮件系统。

youdao

There've been over 14 million hits to the site we've had from over 300,000 people and over 3 thousand email messages have been received.

收到了有超过30万人,三千多封电子邮件,这些电子邮件给了我们。

麻省理工公开课 - 媒体、教育、市场课程节选

You received an email if you were on the class list yesterday from Christina that talked about the class assignments, and how they'll be handled by the various teaching fellows.

昨天上课的同学,都收到了克里斯蒂娜发送的电子邮件,讲的是课程作业的问题,以及不同的助教对此的处理方式

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The email I received announced it would be business as usual as they marched through proceedings.

FORBES: Running (A Business): Bankruptcy, Publishing, Poison Ivy and My Crappy Week

From a distance, we were riveted by every text and email we received from friends as the storm approached.

FORBES: Hurricane Sandy: No Hype

Mrs Gower was asked about news reports of a car stopped on the M1 a week or so before the email was received.

BBC: Bristol