新的动力机械和人工肥料现在已经完全改变了从石器时代开始的一种生活方式。
New power machinery and artificial fertilizers have now totally transformed a way of life that started in the Stone Age.
在调查出的众多原因中，我发现男人是从石器时代就开始刮脸了。
Among the many reasons I found while doing some research men began shaving in Stone Age times were.
罗斯建议人们从三十岁左右开始沿袭“石器时代”的饮食习惯——避免食用谷物和乳制品，多吃海鲜、水果、坚果及蔬菜。
Grains and dairy products should be avoided and seafood, fruits, nuts and vegetables embraced.
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