naturalness
自然,當然,本然
Nat·u·ral·ness, n. The state or quality of being natural; conformity to nature.
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naturalness
n 1: the quality of being natural or based on natural principles;
"he accepted the naturalness of death"; "the spontaneous
naturalness of his manner" [ant: unnaturalness]
2: the quality of innocent naivete [syn: artlessness, innocence,
ingenuousness]