Surely they just didn't read your e-mail explaining the subject clearly enough.

真的，他们就是没有认真看你的邮件,这封邮件已经解释的很清楚。

youdao

The program also sets the subject of the E-mail, the mailer, and the sent date.

这个程序还设置了电子邮件标题、邮件程序和发送日期。

youdao

Einstein had written an article in his later years (1946) with the subject of E=MC2.

爱因斯坦在晚年（1946年）写了一篇文章，题目是《E=MC2》。

youdao

Petitioner asks whether its sales of e-books are subject to sales and use tax.

FORBES: E-books Exempt from New York Sales Tax

E-mail is subject to differing sets of protections when it is being typed, sent and stored.

ECONOMIST: Government surveillance

For example, with improved badge technology, a prospective employer can quickly and easily compare test and grade results among applicants in say a specific subject, e.g.

FORBES: Badges Lend Gravitas To Free Education Revolution