Compared with traditional letters, e-mails have many advantages, such as fast speed and free of charge.
和传统信件相比,电子邮件有很多优点,如速度快,不需花钱。
Compared with traditional letters, e-mails have many advantages, such as fast speed and free of charge.
和…相比和传统信件相比,电子邮件有很多优点,如速度快,不需花钱。
An important reason why spam is Rampant: E-mail service is free of charge.
垃圾邮件猖撅的一个重要原因是:电子邮件服务是免费的。
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