“We’ve seen a sustained drop in global volumes, ” Henry Stern, a senior security analyst at Cisco Systems, said in a telephone interview from San Francisco.

“我们发现全球的垃圾邮件量稳步下降”，Cisco的高级安全分析师HenryStern在一次电话采访中说道。

youdao

“We’ve seen a sustained drop in global volumes, ” Henry Stern, a senior security analyst at Cisco Systems, said in a telephone interview from San Francisco.

“我们发现全球的垃圾邮件量稳步下降”，Cisco的高级安全分析师HenryStern在一次电话采访中说道。

youdao