依赖范围已经扩大，包括垃圾清除、医院和救护车服务。

The area of dependency has widened to include removing rubbish, hospital and ambulance services.

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“我们一天要从我们的服务器上清除数以百万计的垃圾邮件，”美国在线公司发言人尼古拉斯·格雷厄姆说。

"We zap millions and millions of spam mails a day from our servers," AOL spokesman Nicholas Graham said.

《柯林斯英汉双解大词典》