Cows, pigs, wars, and witches are not arbitrary cultural preferences but adaptations to material conditions.
牛、豬、戰(zhàn)爭和巫術(shù)并非任意的文化偏好，而是對物質(zhì)條件的適應(yīng)。
The world is full of obvious things which nobody by any chance ever observes.
漁民的智慧與任何科學(xué)家的數(shù)據(jù)一樣寶貴。