Keller stressed these findings do not deny that an impact occurred around the K-T boundary, and noted that one or possibly several impacts may have had a hand in the mass extinction.

凯勒强调，这些调查结果并不否认，影响发生周围K - T边界，并指出，其中一个或几个可能的影响都有可能在大量物种灭绝中起作用。

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When a major earthquake has occurred, and aftershocks continued, t he key word at this time only a matter of fact the word save and assistance.

当一场大地震已经发生，而且余震不断，此时的关键词其实只剩下两个字，即“救”与“援”。

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This thesis is devoted to the confusing freight taxation problems occurred on the sales process where V. A. T. payers as a dealer charges, disburses, pays the freight or as a buyer pays the freight.

文十重点介绍增值税一般纳税人在销售行为中作为销售方收取运费、为购买方代垫运费、支付运费，以及作为购买方支付运费情况下的容易混淆的涉税处理问题。

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They never said you can't do it because you're a woman, so it never occurred to me that I couldn't do it" But she says things are starting to look better for women composers.

VOA: special.2010.07.12

It isn't the Red Sea. That's a mistranslation that occurred very very early on, so it's led to the notion that they were at the Gulf of Aqaba or somewhere near the actual big ocean water.

并不是红海，这个错误的翻译很早以前就存在了,让人们以为是在亚喀巴湾,或者是接近真正意义的大洋的什么地方。

耶鲁公开课 - 旧约导论课程节选

Ms. Morrongiello, the Canadian psychology professor, says that information she collected from 62 families with two-year-old children revealed that 67% of injuries occurred when a parent wasn't supervising or was only listening intermittently, and only about 10% occurred when a parent was watching.

WSJ: The Perils of Texting While Parenting

No. 4, a hard landing in China, hasn't occurred yet, but probably will this year, as a result of domestic cooling measures taken by Chinese officials and weak exports to U.S. consumers.

FORBES: Magazine Article

At some unknown time in the past, genetic mutations occurred that didn't prevent a gene from doing its job but did cripple it slightly.

WSJ: A Gene Gives a Hint Of How Long a Person Might Hope to Live