软件工程师们设计和试验各种各样的软件，有电脑游戏，操作系统和商业应用软件。
Software engineers design and test a variety of different types of software, from computer games to operating systems to business applications.
毫无疑问，电脑被商业，科技工作者广泛地应用。
There is no doubt that computers are widely used by workers in business and technology.
毫无疑问，电脑被商业，科技工作者广泛地应用。
There is no doubt that computers are very useful in business and technology.
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