创建一个包含特定字符串的电子邮件主题和正文。
特定字符串：折扣
E-mail Subject: Special Discount Offer Inside!

E-mail Body: 

Dear Valued Customer,

We are excited to offer you a special discount on our products! For a limited time only, you can get a 10% discount on all purchases using the code DISCOUNT10 at checkout.

Don't miss out on this amazing deal! Shop now to take advantage of this offer and get high-quality products at unbeatable prices.

Sincerely,

[Your Company]