When he studies foreign language, he not only pays attention to regular things but also pays much more attention to irregular things.

他学习外语不仅注意规则的东西，尤其注重不规则的东西。

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He says those studies showed no real difference when a used pacemaker was compared to a new one.

VOA: special.2010.06.29

Johns Hopkins University behavioral biology professor Roland Griffiths struggles with the same ethical questions when he studies the chemicals behind hallucinogenic mushrooms.

MSN: Scientist haunted by misuse of drugs he invented

The family moved to Berlin shortly after the 1917 Bolshevik Revolution, although Roman stayed behind until 1920 when he completed his graduate studies in biology and zoology.

WSJ: Roman Vishniac | Witness to Catastrophe | International Center of Photography | By William Meyers

When he got the Thiel Fellowship, he discontinued his Yale studies.

FORBES: Facebook Investor Peter Thiel Re-Ups His Bet On Swapping College For A Startup