我有一个朋友在一家计算机软件公司供职，年薪十万美元左右。
I have a friend who is earning around 100 thousand dollars a year in a computer software company.
计算机软件公司也已经预防计算机病毒设计保护吗？
Computer software companies have also designed safeguards against computer viruses?
在大学主修计算机螊科学，在计算机软件公司兼职三年。
University major in computer science, three years of part-time work in a computer software company.
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