Even among identical twins there is a great deal of variation in personal preference, environment, and hence the risk for disease.

甚至是在同卵双生子中，在个人偏好、环境都有很大差异，因而疾病风险也有差异。

youdao

I'm actually using a variation of the debt snowball in my own life, modified a bit to leverage risk.

在实际生活中我会利用债务雪球的变动来平衡一些危机。

youdao

Two rival teams of scientists have discovered a common genetic variation that increases the risk of heart disease up to 60 percent in people of European descent.

两对手研究团队已发现在有欧洲血统的人中，近60%的人具有一个共同的心脏病危险因子遗传变异。

youdao

He told BBC News Online that the concept of seasonal variation in the risk of Crohn's disease had been studied on many occasions since the mid 1960s.

BBC: Seasonal variation in Crohn's risk

Previous research had shown, for instance, that 29% of the variation in whether or not people invest in stocks depends on their DNA. Studies of professional traders had demonstrated that approximately 25% of individual variation in portfolio risk is due to genetics.

WSJ: Jonah Lehrer on Genetics, Dopamine and Wall Street | Head Case