46)In physics, one approach takes this impulse for unification to its extreme, and seeks a theory of everything — a single generative equation for all we see。
　　46. 物理學中，有一種方法將這種對統一性的緊迫需求發揮到了極致，追求一種具有普遍意義的理論，即為我們所見之物尋求一種單一的生成公式。

　　47)Here, Darwinism seems to offer justification, for if all humans share common origins, it seems reasonable to suppose that cultural diversity could also be traced to more constrained beginnings。
　　47. 在此，達爾文似乎給出了合理化的解釋，這是因為如果整個人類有相同的起源，那么我們就有理由認為，文化的多樣性同樣也可以追溯到更為具體的開端。

　　48)To filter out what is contingent and unique from what is shared might enable us to understand how complex cultural behaviour arose and what guides it in evolutionary or cognitive terms。
　　48. 從共性中過濾出獨特性，我們就可以明白文化行為起源的復雜性，以及文化行為在進化方面和認知方面的源動力。

　　49)The second, by Joshua Greenberg, takes a more empirical approach to universality, identifying traits (particularly in word order) shared by many languages, which are considered to represent biases that result from cognitive constraints。
　　49. 第二個為此做出努力的人是約書亞·格林伯格，他采用經驗主義的方法來研究普遍性，確認多種語言(尤其是語序方面的)共同特征，這些特征被認為是體現了由于認知局限性而帶來的偏見。

　　50)Chomsky’s grammar should show patterns of language change that are independent of the family tree or the pathway tracked through it, whereas Greenbergian universality predicts strong co-dependencies between particular types of word-order relations。
　　50. 喬姆斯基的語法體現了與樹型結構及其間路徑不相關的語言變化模式，而格林伯格的普遍性理論則預見了各種類型的語序關系中存在強烈的相互依存性。