经过多年的努力 Years efforts ; After years of effort
经过多年的研究 After years of research ; After many years of research
经过多年的辛情研究 As a result of many years of study
经过多年的辛勤研究 After years of hard study ; Years hard research
经过多年的考虑之后 after seven years of deliberation
经过十多年的努力 After ten years of effort
经过多年以来的竞赛 Gas Gun VS Electric Gun
经过多年的良好增长,今年的经济将会萎缩。
After years of good growth, the economy will shrink this year.
经过多年的激烈争论,灰狼被重新引入黄石国家公园。
After years of heated debate, gray wolves were reintroduced to Yellowstone National Park.
经过多年的努力,她于1996年来到清华大学学习生物学。
After years of hard work, in 1996, she went to Tsinghua University to study biology.
This invention of social security is well over one hundred years old, but I think that, because of the rapid advance of information technology, we're going to see a lot more progress.
社会保障的这种发明,已经经过了一百多年,但我觉得,由于信息技术的飞速发展,我们将会看到许多的进步。
I don't know, to just hold on to and to have and it's, they've had it for years, you know, like.
坚持经过这么多年保留下来的东西,
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