If we're going to force taxpayers to foot the bill for college degrees, students should only study those subjects that're of greatest benefit to taxpayers.

如果我们要迫使纳税人为大学教育的费用买单，那么学生们就只能学习那些对纳税人最有裨益的学科。

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"If we only study birds and mammals, we're only going to learn from those groups," he said. "This is one more distinct group we need to learn about."

“如果我们只研究鸟类和哺乳动物，那么我们只能从这两类动物中得到信息，”他说，“爬行动物是我们应该研究的另一个独特类别。”

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Only persistent study yields steady progress.

只有坚持不懈的学习才能取得稳定的进步。

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So for the ten patients in the study, doctors used a low amount of radiation to destroy only some of their marrow.

VOA: special.2009.12.16

No, because they were only interested in the question of when are anorexics born, so it made sense to only study those.

不，因为他们只对厌食症患者是,什么时候出生的这个问题感兴趣，所以只研究这些对象是有道理的。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because very often,if we only study the average, we only see the average,we only see the geometric shapes and completely missed the children on the bus.

因为很多时候，如果我们只研究平均水平，那就只会看到平均的结果，只看到几何形状,完全忽略了汽车上的孩子。

哈佛公开课 - 幸福课课程节选

The only study which has detected XMRV in prostate cancer using primers set for unique sequences in the XMRV genome is Schlaberg et al 2009 (2).

FORBES: Big Study Linking Chronic Fatigue To Virus May Be Fatally Flawed

Mr Tarr said teaching should be rigorous and challenging, but it was "academic snobbery" to say you could only study history by taking lots of detailed notes.

BBC: Gove criticises 'Mr Men' history teaching

Fortunately, this not the only study to explore the potential for reducing cardiovascular disease and cancer in the general population by promoting adherence to a set of health guidelines.

FORBES: To Combat Some Big Diseases, We Should Focus On The Basics