It isn't a school subject or an academic discipline, but it can be learned; It is a quality that is required of artists, but it is also present in the lives of scientists and entrepreneurs.

它不是一门学校的科目或学术学科，但它是可习得的；这是艺术家必须具备的品质，但它也存在于科学家和企业家的生活中。

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It is also present in coffee and cigarette smoke.

它也常存在于咖啡和香烟的烟雾中。

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It is also helpful in knowing each other's plans about money for the present and the future, to help eliminate any financial obstacles and misunderstandings that might arise.

了解了对方现在以及将来的用钱计划是很有用的，它可以帮助清除一些财务上和障碍，消除日后可能产生的一些误解。

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It is also present in fat cells, and blocking it seems to help the body more efficiently process sugar and fat from food.

FORBES: Lose Weight, Quit Smoking With One Pill

So now it is also my privilege to present a distinguished American with an award in recognition of the many contributions of naturalized citizens like all of you.

WHITEHOUSE: My Fellow Americans

Coke, which says it is present in every country but Cuba and North Korea, also has begun to feel some heat in Mexico, which drinks more of the company's cola on a per capita basis than any other country.

WSJ: Coke to Curb Ads to Kids, Push Diet Drinks