For example, if I'm displaying 50 mail messages in an E-mail application, how many instances of the MailMessage class would I expect?
举例而言，如果要在某个邮件应用程序中显示50条邮件消息，那么需要多少个mailmessage类的实例？
For example, if I'm displaying 50 mail messages in an E-mail application, how many instances of the MailMessage class would I expect?
举例而言，如果要在某个邮件应用程序中显示50条邮件消息，那么需要多少个mailmessage类的实例？
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