After I did my engineering degree, I began to specialize in computer technology.

读完工程学位后，我就开始专攻计算机技术。

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I want to specialize in this field, and build an exciting career.

我要专注于这一领域，并建立一个令人兴奋的职业生涯。

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I want to specialize in this field, and build an exciting career.

我要专注于这一领域，并建立一个令人兴奋的职业生涯。

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