许多程序员认为黑客一词只适用于那些在遵守法律的前提下编写程序应用软件，提高网络安全的电脑爱好者。 恶意使用技能的人不是黑客，而是骇客。
Many computer programmers insist that the word "hacker" applies only to law-abiding enthusiasts who help create programs and applications or improve computer security.
商家提出的另一项证据是，有研究表明，通过完成一项富于挑战的电脑游戏任务，老年人的某些技能有所提高。
Another line of evidence cited by marketers comes from studies of elderly people who improve certain skills by practicing a challenging computer-based task.
他指出，即使普通的电脑游戏也已证实可提高视觉技能。
Even normal computer games have been shown to improve visual skills, he points out.
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