twoness
n. 二重性
例句
Labor has twoness, namely specific work and abstract work.
劳动具有二重性,即具体劳动与抽象劳动。
These new roles show the twoness of the peasants' identities and occupations.
这些角色体现出农民身份与职业的二重性现状。
Put in something about the supernal oneness. don't say a syllable about the infernal twoness.
说一点天上的一元论,千万别谈地狱的二元论。