freedom from difficulty or hardship or effort; "he rose through the ranks with apparent ease"; "they put it into containers for ease of transportation"; "the very easiness of the deed held her back" 困難、苦労または努力をしなくてすむこと。
日/英 »
【上位】 the quality of being natural or based on natural principles; "he accepted the naturalness of death"; "the spontaneous naturalness of his manner" 自然で、自然の原理に基づいている性質。
日/英 »