我能做出简单的食物选择吗?
新鲜和简单的食物是生活的本质。
而且现在我似乎更喜欢生吃水果和蔬菜这样一些简单的食物。
I also seem to prefer eating simple foods like raw fruits and veggies, but this isn't unusual for me.
Well, when Pavlov, for instance, started before conditioning there was simply an unconditioned stimulus, the food in the mouth, and an unconditioned response, saliva.
比如,在条件作用形成之前,只是简单的存在着无条件刺激,即食物,以及无条件反应,即唾液。
But again, the elements were harsh, finding food may not have been easy, and certain sorts of diets would prevail over others, where there would be a lot of certain nutrients and few of other ones.
可是,自然环境是恶劣的,寻找食物一点也不简单,不过某些食物相对其他更为常见些,其富含有某些营养成分,但缺乏其他的
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