The industry hasn't really changed since the last century.

自上世纪起，汽车行业事实上就没改变过。

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The focus of the research of language learning has shifted from the teacher perspectives to the student since the last century.

从上个世纪中后期开始，语言学习研究领域的重点已经从教师和教学转到了学生和学习上。

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When instructional media entered educational field since the last century, as one of the chief factors, it keeps on affecting the instructional activities.

教学媒体自上世纪进入教学领域以来，一直是影响教学活动的重要因素。

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Boric acid has been used to kill other insects including cockroaches, termites and ants inside homes since the middle of last century.

VOA: special.2011.02.23

"It's not that we fell into a kind of geopolitical fatalism with regard to the United States, but historically speaking they have been interfering in our country since the last century, and so we said, "The Yankees will inevitably interfere.

CNN: Ortega: Third time lucky?

As Harris notes, the snows have been melting since the turn of the last century.

NPR: Assessing the Art, Science of 'Inconvenient Truth'

But people are thinking about cars probably for the first time since the beginning of the last century and what they need in their fleet, whether they want a car at all.

NPR: More Bumps In The Road For GM, Chrysler And Ford